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Best Seller
Shark ADV 800 Internal Filter, 211 GPH, 211 GAL

Shark ADV 800 Internal Filter, 211 GPH, 211 GAL

The SHARK ADV is an exclusively designed internal filter with a patented magnetic quick uncoupling system (MCS System). The modular design allows the possibility of adding one or more filtering compartments to increase the filtration capacity. SICCE... ... more

Shark ADV 800 Internal Filter, 211 GPH, 211 GAL

The SHARK ADV is an exclusively designed internal filter with a patented magnetic quick uncoupling system (MCS System). The modular design allows the possibility of adding one or more filtering compartments to increase the filtration capacity. SICCE...

Petco.com

$59.99

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QuietFlow Internal Replacement Filter Cartridges, Small, Pack of 2

QuietFlow Internal Replacement Filter Cartridges, Small, Pack of 2

Your fish deserve the same refreshing treatment as you after a spa day, and Aqueon QuietFlow Internal Replacement Filter Cartridges can provide just that. These cartridges work tirelessly to keep your fish's home crystal clear and fresh. ... more

QuietFlow Internal Replacement Filter Cartridges, Small, Pack of 2

Your fish deserve the same refreshing treatment as you after a spa day, and Aqueon QuietFlow Internal Replacement Filter Cartridges can provide just that. These cartridges work tirelessly to keep your fish's home crystal clear and fresh.

Petco.com

$8.11

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Best Seller
QuietFlow Internal Replacement Filter Cartridges, Large, Pack of 2

QuietFlow Internal Replacement Filter Cartridges, Large, Pack of 2

Keep your aquatic environment crystal clear with Aqueon QuietFlow Internal Replacement Filter Cartridges. ... more

QuietFlow Internal Replacement Filter Cartridges, Large, Pack of 2

Keep your aquatic environment crystal clear with Aqueon QuietFlow Internal Replacement Filter Cartridges.

Petco.com

$8.11

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Penn Plax Internal Filter, Crystal in Black/Blue | 5.75 H x 2 W x 2.5 D in | Wayfair CIF1

Penn Plax Internal Filter, Crystal in Black/Blue | 5.75 H x 2 W x 2.5 D in | Wayfair CIF1

In addition to delivering crystal clear water throughout the aquarium, the Cascade 300 cycles water at 70 Gallons per Hour (GPH) for tanks up to 10 Gallons in size. It’s great for Freshwater and Saltwater aquariums, along with a variety of Terrarium... ... more

Penn Plax Internal Filter, Crystal in Black/Blue | 5.75 H x 2 W x 2.5 D in | Wayfair CIF1

In addition to delivering crystal clear water throughout the aquarium, the Cascade 300 cycles water at 70 Gallons per Hour (GPH) for tanks up to 10 Gallons in size. It’s great for Freshwater and Saltwater aquariums, along with a variety of Terrarium...

Wayfair

$34.21

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Penn Plax Aquarium Internal Filter, Crystal in Black/Blue | 9.5 H x 2.5 W x 2.75 D in | Wayfair CIF2

Penn Plax Aquarium Internal Filter, Crystal in Black/Blue | 9.5 H x 2.5 W x 2.75 D in | Wayfair CIF2

In addition to delivering crystal clear water throughout the aquarium, the Cascade 400 cycles water at 110 Gallons per Hour (GPH) for tanks up to 20 Gallons in size. It’s great for Freshwater and Saltwater aquariums, along with a variety of Terrarium... ... more

Penn Plax Aquarium Internal Filter, Crystal in Black/Blue | 9.5 H x 2.5 W x 2.75 D in | Wayfair CIF2

In addition to delivering crystal clear water throughout the aquarium, the Cascade 400 cycles water at 110 Gallons per Hour (GPH) for tanks up to 20 Gallons in size. It’s great for Freshwater and Saltwater aquariums, along with a variety of Terrarium...

Wayfair

$43.92

FREE shipping

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Penn Plax Cascade 600 Fully Submersible Internal Aquarium Filter, Crystal in Black/Blue | 11.5 H x 3 W x 4 D in | Wayfair CIF3

Penn Plax Cascade 600 Fully Submersible Internal Aquarium Filter, Crystal in Black/Blue | 11.5 H x 3 W x 4 D in | Wayfair CIF3

In addition to delivering crystal-clear water throughout the aquarium. This filter cycles water at 175 Gallons per Hour (GPH) for tanks up to 50 gallons in size. It’s great for freshwater and saltwater aquariums, along with a variety of terrarium... ... more

Penn Plax Cascade 600 Fully Submersible Internal Aquarium Filter, Crystal in Black/Blue | 11.5 H x 3 W x 4 D in | Wayfair CIF3

In addition to delivering crystal-clear water throughout the aquarium. This filter cycles water at 175 Gallons per Hour (GPH) for tanks up to 50 gallons in size. It’s great for freshwater and saltwater aquariums, along with a variety of terrarium...

Wayfair

$54.99

FREE shipping

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Small Filter Quietflow Internal, 10 Gallon

Small Filter Quietflow Internal, 10 Gallon

Before you start fishing for compliments on your aquarium, make sure you have the Aqueon Small Filter Quietflow Internal 10 Gallon. This filter is not only economical and efficient, but also super easy to use! You can position it easily with suction... ... more

Small Filter Quietflow Internal, 10 Gallon

Before you start fishing for compliments on your aquarium, make sure you have the Aqueon Small Filter Quietflow Internal 10 Gallon. This filter is not only economical and efficient, but also super easy to use! You can position it easily with suction...

Petco.com

$15.45

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Crescent Hidden Blue LED Light and Internal Filter Aquarium Kit 3 Gallons, 13" L X 7" W X 12" H

Crescent Hidden Blue LED Light and Internal Filter Aquarium Kit 3 Gallons, 13" L X 7" W X 12" H

This crescent-shaped, 3-gallon tank is made of clear, high-quality plastic and is sure to brighten any room. Special additions like the black acrylic canopy with fluorescent colors provide the perfect backdrop for your fluorescent fish. A motor-driven... ... more

Crescent Hidden Blue LED Light and Internal Filter Aquarium Kit 3 Gallons, 13" L X 7" W X 12" H

This crescent-shaped, 3-gallon tank is made of clear, high-quality plastic and is sure to brighten any room. Special additions like the black acrylic canopy with fluorescent colors provide the perfect backdrop for your fluorescent fish. A motor-driven...

Petco.com

$36.99

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Magnum Polishing Internal Canister Filter, 10.5 IN

Magnum Polishing Internal Canister Filter, 10.5 IN

Marineland is the world's leading brand of innovative equipment and environments for consumers wishing to create the ultimate aquatic showcase. The Magnum Polishing Internal Canister Filter offers versatile aquarium filtration for your aquarium up to... ... more

Magnum Polishing Internal Canister Filter, 10.5 IN

Marineland is the world's leading brand of innovative equipment and environments for consumers wishing to create the ultimate aquatic showcase. The Magnum Polishing Internal Canister Filter offers versatile aquarium filtration for your aquarium up to...

Petco.com

$99.99

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X-Small QuietFlow E Internal Power Filter, 3 Gallon, Black

X-Small QuietFlow E Internal Power Filter, 3 Gallon, Black

Under the sea, where the fishies play, you need a filter that's efficient, economical, and easy to use. That's where the Aqueon X-Small QuietFlow E Internal Power Filter comes in! This little powerhouse is self-priming and includes both handy hanging... ... more

X-Small QuietFlow E Internal Power Filter, 3 Gallon, Black

Under the sea, where the fishies play, you need a filter that's efficient, economical, and easy to use. That's where the Aqueon X-Small QuietFlow E Internal Power Filter comes in! This little powerhouse is self-priming and includes both handy hanging...

Petco.com

$13.49

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Easy Line Micron Internal Filter, 65 gal/hr

Easy Line Micron Internal Filter, 65 gal/hr

The NANO MICRON and MICRON are internal filters for starter kits, turtle kits and small aquariums. They are integrated with an antiwear device and an exclusive water flow control system which allows filtering to be adjusted on the basis of the volume... ... more

Easy Line Micron Internal Filter, 65 gal/hr

The NANO MICRON and MICRON are internal filters for starter kits, turtle kits and small aquariums. They are integrated with an antiwear device and an exclusive water flow control system which allows filtering to be adjusted on the basis of the volume...

Petco.com

$32.99

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QuietFlow SmartClean Internal Aquarium Filter, X-Small

QuietFlow SmartClean Internal Aquarium Filter, X-Small

Say goodbye to dirty water and hello to a crystal-clear aquarium with the Aqueon QuietFlow SmartClean Internal Aquarium Filter in Medium size! This baby is packed with features that'll make keeping your underwater friends happy and healthy a breeze: ... more

QuietFlow SmartClean Internal Aquarium Filter, X-Small

Say goodbye to dirty water and hello to a crystal-clear aquarium with the Aqueon QuietFlow SmartClean Internal Aquarium Filter in Medium size! This baby is packed with features that'll make keeping your underwater friends happy and healthy a breeze:

Petco.com

$18.49

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Magnum Polishing Internal Filter JH Cartridge, Pack of 3, 10.5 IN

Magnum Polishing Internal Filter JH Cartridge, Pack of 3, 10.5 IN

Marineland Magnum Polishing Internal Filter Rite-Size JH Floss Sleeves fit the Marineland Magnum Polishing Internal Canister Filter. The JH Floss sleeve is designed with fine mesh to trap and hold dirt particles. The open cell construction promotes... ... more

Magnum Polishing Internal Filter JH Cartridge, Pack of 3, 10.5 IN

Marineland Magnum Polishing Internal Filter Rite-Size JH Floss Sleeves fit the Marineland Magnum Polishing Internal Canister Filter. The JH Floss sleeve is designed with fine mesh to trap and hold dirt particles. The open cell construction promotes...

Petco.com

$8.38

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Crescent Hidden Blue LED Light & Internal Filter Aquarium Kit 5 Gallons, 16.5" L x 11.25" W x 13.2" H

Crescent Hidden Blue LED Light & Internal Filter Aquarium Kit 5 Gallons, 16.5" L x 11.25" W x 13.2" H

This crescent-shaped, 5-gallon tank is made of clear, high-quality plastic and is sure to brighten any room. Special additions like the black acrylic canopy with fluorescent colors provide the perfect backdrop for your the fluorescent fish. A... ... more

Crescent Hidden Blue LED Light & Internal Filter Aquarium Kit 5 Gallons, 16.5" L x 11.25" W x 13.2" H

This crescent-shaped, 5-gallon tank is made of clear, high-quality plastic and is sure to brighten any room. Special additions like the black acrylic canopy with fluorescent colors provide the perfect backdrop for your the fluorescent fish. A...

Petco.com

$59.99

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BioCompact 25 Internal Filter, 60 GPH, 4 W / 2 IN

BioCompact 25 Internal Filter, 60 GPH, 4 W / 2 IN

The BioCompact line of internal filters is perfect for small freshwater aquariums and paludariums. These compact filters are designed to be discreetly installed horizontally or vertically. BioCompact uses biological, mechanical, and chemical filtration... ... more

BioCompact 25 Internal Filter, 60 GPH, 4 W / 2 IN

The BioCompact line of internal filters is perfect for small freshwater aquariums and paludariums. These compact filters are designed to be discreetly installed horizontally or vertically. BioCompact uses biological, mechanical, and chemical filtration...

Petco.com

$32.99

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Aquatic Reptile Internal Filter with SmartClean Technology, Medium, 145 GAL

Aquatic Reptile Internal Filter with SmartClean Technology, Medium, 145 GAL

Easy to use, efficient, and eco-friendly describes Zilla(R) Aquatic Reptile Internal Filter with SmartClean Technology. SmartClean Technology provideds quick and easy water change to help improve water quality. Installation is quick and easy; they are... ... more

Aquatic Reptile Internal Filter with SmartClean Technology, Medium, 145 GAL

Easy to use, efficient, and eco-friendly describes Zilla(R) Aquatic Reptile Internal Filter with SmartClean Technology. SmartClean Technology provideds quick and easy water change to help improve water quality. Installation is quick and easy; they are...

Petco.com

$31.95

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QuietFlow SmartClean Internal Aquarium Filter, Small

QuietFlow SmartClean Internal Aquarium Filter, Small

Say goodbye to dirty water and hello to a crystal-clear aquarium with the Aqueon QuietFlow SmartClean Internal Aquarium Filter in Medium size! This baby is packed with features that'll make keeping your underwater friends happy and healthy a breeze: ... more

QuietFlow SmartClean Internal Aquarium Filter, Small

Say goodbye to dirty water and hello to a crystal-clear aquarium with the Aqueon QuietFlow SmartClean Internal Aquarium Filter in Medium size! This baby is packed with features that'll make keeping your underwater friends happy and healthy a breeze:

Petco.com

$22.95

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SpaceEKO 300 Internal Filter

SpaceEKO 300 Internal Filter

SPACE EKO are canister filters ideal for freshwater aquariums. A unique easy start up system, large filter capacity and silent operation make this range a very good choice for beginners. SPACE EKO canister filters come complete with all necessary... ... more

SpaceEKO 300 Internal Filter

SPACE EKO are canister filters ideal for freshwater aquariums. A unique easy start up system, large filter capacity and silent operation make this range a very good choice for beginners. SPACE EKO canister filters come complete with all necessary...

Petco.com

$169.90

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Large Filter Quietflow Internal, 40 Gallon

Large Filter Quietflow Internal, 40 Gallon

Are you tired of noisy, clunky filters ruining the peaceful ambiance of your aquarium? Say hello to the Aqueon Large Filter Quietflow Internal 40 Gallon! Not only is this filter easy on the wallet, but it's also efficient and a breeze to use. With... ... more

Large Filter Quietflow Internal, 40 Gallon

Are you tired of noisy, clunky filters ruining the peaceful ambiance of your aquarium? Say hello to the Aqueon Large Filter Quietflow Internal 40 Gallon! Not only is this filter easy on the wallet, but it's also efficient and a breeze to use. With...

Petco.com

$31.49

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Shark ADV 600 Internal Filter, 158 gal/hr

Shark ADV 600 Internal Filter, 158 gal/hr

The SHARK ADV is an exclusively designed internal filter with a patented magnetic quick uncoupling system (MCS System). The modular design allows the possibility of adding one or more filtering compartments to increase the filtration capacity. ... more

Shark ADV 600 Internal Filter, 158 gal/hr

The SHARK ADV is an exclusively designed internal filter with a patented magnetic quick uncoupling system (MCS System). The modular design allows the possibility of adding one or more filtering compartments to increase the filtration capacity.

Petco.com

$49.99

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Whisper Internal Filter, 4 Gallon

Whisper Internal Filter, 4 Gallon

Three filters in one for cleaner water and healthier fish. All Whisper power filters use easy to change Bio-Bag filter cartridges which remove particles floating in your aquarium while also removing discoloration and odors with its activated carbon.... ... more

Whisper Internal Filter, 4 Gallon

Three filters in one for cleaner water and healthier fish. All Whisper power filters use easy to change Bio-Bag filter cartridges which remove particles floating in your aquarium while also removing discoloration and odors with its activated carbon....

Petco.com

$15.99

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Medium Filter Quietflow Internal, 20 Gallon

Medium Filter Quietflow Internal, 20 Gallon

Be the envy of all the other fish owners with the Aqueon Medium Filter Quietflow Internal 20 Gallon! This internal filter is not only economical and efficient, but it's also super easy to use. Perfect for both framed and frameless aquariums, you can... ... more

Medium Filter Quietflow Internal, 20 Gallon

Be the envy of all the other fish owners with the Aqueon Medium Filter Quietflow Internal 20 Gallon! This internal filter is not only economical and efficient, but it's also super easy to use. Perfect for both framed and frameless aquariums, you can...

Petco.com

$24.49

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Supreme EZ Clean Internal Aquarium Filter (Dual Cartridge), Standard

Supreme EZ Clean Internal Aquarium Filter (Dual Cartridge), Standard

The EZ-Clean Dual Cartridge Internal filter offers a unique alternative to traditional internal filters. Its large, cartridge based filter system offers mechanical, biological and chemical filtration for small aquariums. The filter offers aeration of... ... more

Supreme EZ Clean Internal Aquarium Filter (Dual Cartridge), Standard

The EZ-Clean Dual Cartridge Internal filter offers a unique alternative to traditional internal filters. Its large, cartridge based filter system offers mechanical, biological and chemical filtration for small aquariums. The filter offers aeration of...

Petco.com

$52.99

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Shark ADV 400 Internal Filter, 106 gal/hr

Shark ADV 400 Internal Filter, 106 gal/hr

The SHARK ADV is an exclusively designed internal filter with a patented magnetic quick uncoupling system (MCS System). The modular design allows the possibility of adding one or more filtering compartments to increase the filtration capacity. ... more

Shark ADV 400 Internal Filter, 106 gal/hr

The SHARK ADV is an exclusively designed internal filter with a patented magnetic quick uncoupling system (MCS System). The modular design allows the possibility of adding one or more filtering compartments to increase the filtration capacity.

Petco.com

$39.99

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QuietFlow SmartClean Internal Aquarium Filter, Medium

QuietFlow SmartClean Internal Aquarium Filter, Medium

Say goodbye to dirty water and hello to a crystal-clear aquarium with the Aqueon QuietFlow SmartClean Internal Aquarium Filter in Medium size! This baby is packed with features that'll make keeping your underwater friends happy and healthy a breeze: ... more

QuietFlow SmartClean Internal Aquarium Filter, Medium

Say goodbye to dirty water and hello to a crystal-clear aquarium with the Aqueon QuietFlow SmartClean Internal Aquarium Filter in Medium size! This baby is packed with features that'll make keeping your underwater friends happy and healthy a breeze:

Petco.com

$44.99

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QuietFlow SmartClean Internal Shrimp Filter, 15 Gallons

QuietFlow SmartClean Internal Shrimp Filter, 15 Gallons

Today's your lucky day, fish enthusiasts! We've got the Aqueon QuietFlow SmartClean Internal Shrimp Filter for 15 gallons of aquatic fun. ... more

QuietFlow SmartClean Internal Shrimp Filter, 15 Gallons

Today's your lucky day, fish enthusiasts! We've got the Aqueon QuietFlow SmartClean Internal Shrimp Filter for 15 gallons of aquatic fun.

Petco.com

$29.99

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Shark Pro 900 Internal Filter

Shark Pro 900 Internal Filter

NEW range of internal filters with a very effective and high filtration volume which guarantee a crystal clear water in your tank. The SHARK PRO filters comes with a modular and flexible design. The filter can be used horizontally and vertically. The... ... more

Shark Pro 900 Internal Filter

NEW range of internal filters with a very effective and high filtration volume which guarantee a crystal clear water in your tank. The SHARK PRO filters comes with a modular and flexible design. The filter can be used horizontally and vertically. The...

Petco.com

$79.99

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QuietFlow 10 Internal Shrimp Filter

QuietFlow 10 Internal Shrimp Filter

This specially designed filter is perfect for smaller tanks housing shrimp, tiny fish, and other invertebrates. With a protective intake grid and pre-filter foam sponge, your precious critters won't be sucked into the filter housing. Maintenance? Pshh,... ... more

QuietFlow 10 Internal Shrimp Filter

This specially designed filter is perfect for smaller tanks housing shrimp, tiny fish, and other invertebrates. With a protective intake grid and pre-filter foam sponge, your precious critters won't be sucked into the filter housing. Maintenance? Pshh,...

Petco.com

$17.49

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Supreme EZ Clean Internal Aquarium Filter (Single Cartridge), Standard

Supreme EZ Clean Internal Aquarium Filter (Single Cartridge), Standard

The EZ-Clean Single Cartridge Internal filter offers a unique alternative to traditional internal filters. Its large, cartridge based filter system offers mechanical, biological and chemical filtration for small aquariums. The filter offers aeration of... ... more

Supreme EZ Clean Internal Aquarium Filter (Single Cartridge), Standard

The EZ-Clean Single Cartridge Internal filter offers a unique alternative to traditional internal filters. Its large, cartridge based filter system offers mechanical, biological and chemical filtration for small aquariums. The filter offers aeration of...

Petco.com

$41.99

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Shark Pro 700 Internal Filter

Shark Pro 700 Internal Filter

NEW range of internal filters with a very effective and high filtration volume which guarantee a crystal clear water in your tank. The SHARK PRO filters comes with a modular and flexible design. The filter can be used horizontally and vertically. The... ... more

Shark Pro 700 Internal Filter

NEW range of internal filters with a very effective and high filtration volume which guarantee a crystal clear water in your tank. The SHARK PRO filters comes with a modular and flexible design. The filter can be used horizontally and vertically. The...

Petco.com

$69.99

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QuietFlow 20 Internal Shrimp Filter

QuietFlow 20 Internal Shrimp Filter

Introducing the Aqueon QuietFlow 20 Internal Shrimp Filter, the perfect solution for hassle-free maintenance of your freshwater aquarium. This specially designed filter is ideal for small fish and crustaceans, with a protective intake grid and... ... more

QuietFlow 20 Internal Shrimp Filter

Introducing the Aqueon QuietFlow 20 Internal Shrimp Filter, the perfect solution for hassle-free maintenance of your freshwater aquarium. This specially designed filter is ideal for small fish and crustaceans, with a protective intake grid and...

Petco.com

$24.00

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BioCompact 50 Internal Filter, 60 GPH, 4 W / 3.3 IN

BioCompact 50 Internal Filter, 60 GPH, 4 W / 3.3 IN

The BioCompact line of internal filters is perfect for small freshwater aquariums and paludariums. These compact filters are designed to be discreetly installed horizontally or vertically. BioCompact uses biological, mechanical, and chemical filtration... ... more

BioCompact 50 Internal Filter, 60 GPH, 4 W / 3.3 IN

The BioCompact line of internal filters is perfect for small freshwater aquariums and paludariums. These compact filters are designed to be discreetly installed horizontally or vertically. BioCompact uses biological, mechanical, and chemical filtration...

Petco.com

$36.99

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Easy Line Nano Micron Internal Filter, 53 gal/hr

Easy Line Nano Micron Internal Filter, 53 gal/hr

The NANO MICRON and MICRON are internal filters for starter kits, turtle kits and small aquariums. They are integrated with an antiwear device and an exclusive water flow control system which allows filtering to be adjusted on the basis of the volume... ... more

Easy Line Nano Micron Internal Filter, 53 gal/hr

The NANO MICRON and MICRON are internal filters for starter kits, turtle kits and small aquariums. They are integrated with an antiwear device and an exclusive water flow control system which allows filtering to be adjusted on the basis of the volume...

Petco.com

$22.99

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BioPlus Thermo 50 Internal Filter, 120 GPH, 54 W / 4.7 IN

BioPlus Thermo 50 Internal Filter, 120 GPH, 54 W / 4.7 IN

The BioPlus Thermo line of premium internal corner filters reduces the amount of additional equipment seen in the aquarium by integrating the heater into the filter. Perfect for medium sized freshwater aquariums, this filter uses biological,... ... more

BioPlus Thermo 50 Internal Filter, 120 GPH, 54 W / 4.7 IN

The BioPlus Thermo line of premium internal corner filters reduces the amount of additional equipment seen in the aquarium by integrating the heater into the filter. Perfect for medium sized freshwater aquariums, this filter uses biological,...

Petco.com

$84.99

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BioPlus Thermo 100 Internal Filter, 170 GPH, 106 W / 4.7 IN

BioPlus Thermo 100 Internal Filter, 170 GPH, 106 W / 4.7 IN

The BioPlus Thermo line of premium internal corner filters reduces the amount of additional equipment seen in the aquarium by integrating the heater into the filter. Perfect for medium sized freshwater aquariums, this filter uses biological,... ... more

BioPlus Thermo 100 Internal Filter, 170 GPH, 106 W / 4.7 IN

The BioPlus Thermo line of premium internal corner filters reduces the amount of additional equipment seen in the aquarium by integrating the heater into the filter. Perfect for medium sized freshwater aquariums, this filter uses biological,...

Petco.com

$93.99

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Shark Pro 500 Internal Filter

Shark Pro 500 Internal Filter

NEW range of internal filters with a very effective and high filtration volume which guarantee a crystal clear water in your tank. The SHARK PRO filters comes with a modular and flexible design. The filter can be used horizontally and vertically. The... ... more

Shark Pro 500 Internal Filter

NEW range of internal filters with a very effective and high filtration volume which guarantee a crystal clear water in your tank. The SHARK PRO filters comes with a modular and flexible design. The filter can be used horizontally and vertically. The...

Petco.com

$59.99

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Internal Nano Corner Filter, 110 Volts, .67 LB

Internal Nano Corner Filter, 110 Volts, .67 LB

Keep your aquarium water crystal clear with the Dennerle Internal Corner Filter. Fitler utilizes a fine filter media cartridge that traps large and small detritus keeping your aquarium water prestine. Small in size allowing you to have plenty of room... ... more

Internal Nano Corner Filter, 110 Volts, .67 LB

Keep your aquarium water crystal clear with the Dennerle Internal Corner Filter. Fitler utilizes a fine filter media cartridge that traps large and small detritus keeping your aquarium water prestine. Small in size allowing you to have plenty of room...

Petco.com

$21.45

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BioPlus Thermo 200 Internal Filter, 190 GPH, 208 W / 4.7 IN

BioPlus Thermo 200 Internal Filter, 190 GPH, 208 W / 4.7 IN

The BioPlus Thermo line of premium internal corner filters reduces the amount of additional equipment seen in the aquarium by integrating the heater into the filter. Perfect for medium sized freshwater aquariums, this filter uses biological,... ... more

BioPlus Thermo 200 Internal Filter, 190 GPH, 208 W / 4.7 IN

The BioPlus Thermo line of premium internal corner filters reduces the amount of additional equipment seen in the aquarium by integrating the heater into the filter. Perfect for medium sized freshwater aquariums, this filter uses biological,...

Petco.com

$103.99

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Whisper Bio-Bag Disposable Filter Cartridges, Small, Pack of 2

Whisper Bio-Bag Disposable Filter Cartridges, Small, Pack of 2

Clear water made simple.They're tough on debris:Ultra-activated carbon absorbs odors and discoloration better than competing brands.Dense, dual-sided mesh catches debris and fish waste.More debris-trapping mesh than other products.And easy on... ... more

Whisper Bio-Bag Disposable Filter Cartridges, Small, Pack of 2

Clear water made simple.They're tough on debris:Ultra-activated carbon absorbs odors and discoloration better than competing brands.Dense, dual-sided mesh catches debris and fish waste.More debris-trapping mesh than other products.And easy on...

Petco.com

$2.25

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Rimless Desktop Replacement Filter Cartridge, Pack of 2, .5 LB

Rimless Desktop Replacement Filter Cartridge, Pack of 2, .5 LB

The JBJ Bio Aquarium Filter Cartridge is a the complete (4-Stage) replacement filter cartridge for the JBJ Internal Bio Filter. This allows you to simply pull the old cartridge out and replace with the new 4 Stage Filter Cartridge. The coarse sponge... ... more

Rimless Desktop Replacement Filter Cartridge, Pack of 2, .5 LB

The JBJ Bio Aquarium Filter Cartridge is a the complete (4-Stage) replacement filter cartridge for the JBJ Internal Bio Filter. This allows you to simply pull the old cartridge out and replace with the new 4 Stage Filter Cartridge. The coarse sponge...

Petco.com

$26.00

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