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Best Seller
Penn Plax Cascade Canistar Hang-on Canister Aquarium Filter, Size 11.15 H x 7.65 W x 6.0 D in | Wayfair CCFH3

Penn Plax Cascade Canistar Hang-on Canister Aquarium Filter, Size 11.15 H x 7.65 W x 6.0 D in | Wayfair CCFH3

Cascade presents the Canistar Hang-On Canister Filter. This filter provides the power and efficiency of a canister filter, with a sleek and convenient hang-on-the-back design. It can either stand alone or be hung behind an aquarium, is great for... ... more

Penn Plax Cascade Canistar Hang-on Canister Aquarium Filter, Size 11.15 H x 7.65 W x 6.0 D in | Wayfair CCFH3

Cascade presents the Canistar Hang-On Canister Filter. This filter provides the power and efficiency of a canister filter, with a sleek and convenient hang-on-the-back design. It can either stand alone or be hung behind an aquarium, is great for...

Wayfair

$85.99 $70.42

FREE shipping

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Penn Plax Cascade Nano Aquarium Filter & Air Pump Kit For Bettas in Black, Size 3.75 H x 1.5 W x 1.5 D in | Wayfair CFB2

Penn Plax Cascade Nano Aquarium Filter & Air Pump Kit For Bettas in Black, Size 3.75 H x 1.5 W x 1.5 D in | Wayfair CFB2

Cascade presents the nano aquarium filter & air pump kit. This kit is specifically designed for smaller aquariums and Betta tanks. While air is quietly directed into the air stone, water is softly suctioned through the mini sponge filter as bubbles of... ... more

Penn Plax Cascade Nano Aquarium Filter & Air Pump Kit For Bettas in Black, Size 3.75 H x 1.5 W x 1.5 D in | Wayfair CFB2

Cascade presents the nano aquarium filter & air pump kit. This kit is specifically designed for smaller aquariums and Betta tanks. While air is quietly directed into the air stone, water is softly suctioned through the mini sponge filter as bubbles of...

Wayfair

$24.48

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Best Seller
Cascade Bio-Floss replacement Poly Fiber Floss Pads for Cascade 500 Canister Filters, Pack of 6, 6.5 IN

Cascade Bio-Floss replacement Poly Fiber Floss Pads for Cascade 500 Canister Filters, Pack of 6, 6.5 IN

This 6-Pack of Cascade Bio-Floss Poly Fiber Floss Pads is specially designed for Cascade 500 Canister Filters, allowing for simple and easy media replenishment. ... more

Cascade Bio-Floss replacement Poly Fiber Floss Pads for Cascade 500 Canister Filters, Pack of 6, 6.5 IN

This 6-Pack of Cascade Bio-Floss Poly Fiber Floss Pads is specially designed for Cascade 500 Canister Filters, allowing for simple and easy media replenishment.

Petco.com

$9.99

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Penn Plax Cascade Bio-sponge Pads For Max Flow Aquarium Filters in Black | Wayfair CMF1S

Penn Plax Cascade Bio-sponge Pads For Max Flow Aquarium Filters in Black | Wayfair CMF1S

Cascade presents Bio-Sponge Replacement Pads for Cascade Max Flow Canister Aquarium Filters. This 2-Pack of Cascade Bio-Sponge Pads is specially designed for Cascade Max Flow Canister Filters, allowing for simple and easy media replenishment. Don’t... ... more

Penn Plax Cascade Bio-sponge Pads For Max Flow Aquarium Filters in Black | Wayfair CMF1S

Cascade presents Bio-Sponge Replacement Pads for Cascade Max Flow Canister Aquarium Filters. This 2-Pack of Cascade Bio-Sponge Pads is specially designed for Cascade Max Flow Canister Filters, allowing for simple and easy media replenishment. Don’t...

Wayfair

$289.51

FREE shipping

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SmartClean EcoRenew Filter Cartridges, X-Small, Pack of 3

SmartClean EcoRenew Filter Cartridges, X-Small, Pack of 3

Aqueon Replacement Filter Cartridges are dual-sided, featuring fibers made from sustainable materials infused with carbon. This sustainable material allows these cartridges to be EcoFriendly being both biodegradable and compostable. The EcoRenew... ... more

SmartClean EcoRenew Filter Cartridges, X-Small, Pack of 3

Aqueon Replacement Filter Cartridges are dual-sided, featuring fibers made from sustainable materials infused with carbon. This sustainable material allows these cartridges to be EcoFriendly being both biodegradable and compostable. The EcoRenew...

Petco.com

$9.99

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Rite Size B Penguin Power Filter Replacement Cartridge, Pack of 6, .514 LB

Rite Size B Penguin Power Filter Replacement Cartridge, Pack of 6, .514 LB

Ready-to-use filter cartridges for Penguin Power Filters. Pre-assembled cartridges are packed with Black Diamond Pure Activated Carbon--works twice as fast and keeps working long after other carbons quit.Double-thick polyfiber pad.Makes aquarium water... ... more

Rite Size B Penguin Power Filter Replacement Cartridge, Pack of 6, .514 LB

Ready-to-use filter cartridges for Penguin Power Filters. Pre-assembled cartridges are packed with Black Diamond Pure Activated Carbon--works twice as fast and keeps working long after other carbons quit.Double-thick polyfiber pad.Makes aquarium water...

Petco.com

$14.40

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Penn Plax Filt-a-Carb Activated Carbon Media Cartridges for Undertow & Perfecto Perfect-A-Flow Filters | Wayfair FC4

Penn Plax Filt-a-Carb Activated Carbon Media Cartridges for Undertow & Perfecto Perfect-A-Flow Filters | Wayfair FC4

These Cartridges come in a 2 pack, and are made to fit the lift tubes of Muti-Pore and Undergravel “E” filters, serving as a replacement for when it’s time to cycle out aquarium filter media. Chemical Filtration: In addition to absorbing ammonia,... ... more

Penn Plax Filt-a-Carb Activated Carbon Media Cartridges for Undertow & Perfecto Perfect-A-Flow Filters | Wayfair FC4

These Cartridges come in a 2 pack, and are made to fit the lift tubes of Muti-Pore and Undergravel “E” filters, serving as a replacement for when it’s time to cycle out aquarium filter media. Chemical Filtration: In addition to absorbing ammonia,...

Wayfair

$19.54

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Penn Plax Filt-a-Carb Activated Carbon Media Cartridges for Multi-Pore & Undergravel E Filters | Wayfair FC2

Penn Plax Filt-a-Carb Activated Carbon Media Cartridges for Multi-Pore & Undergravel E Filters | Wayfair FC2

These Cartridges come in a 2 pack, and are made to fit the lift tubes of Muti-Pore and Undergravel “E” filters, serving as a replacement for when it’s time to cycle out aquarium filter media. Chemical Filtration: In addition to absorbing ammonia,... ... more

Penn Plax Filt-a-Carb Activated Carbon Media Cartridges for Multi-Pore & Undergravel E Filters | Wayfair FC2

These Cartridges come in a 2 pack, and are made to fit the lift tubes of Muti-Pore and Undergravel “E” filters, serving as a replacement for when it’s time to cycle out aquarium filter media. Chemical Filtration: In addition to absorbing ammonia,...

Wayfair

$19.50

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Penn Plax Cascade Air Charger II Aquarium Accessory Acrylic (shatterproof w/ great clarity) in Green/Indigo, Size 2.0 H x 3.0 W x 5.0 D in | Wayfair

Penn Plax Cascade Air Charger II Aquarium Accessory Acrylic (shatterproof w/ great clarity) in Green/Indigo, Size 2.0 H x 3.0 W x 5.0 D in | Wayfair

While this dual air pump utilizes a USB cord for continuous power for normal use, it also features an internal battery that instantly kicks in if power is lost. This keeps your tank’s water safely oxygenated in the event of a power outage in your home!... ... more

Penn Plax Cascade Air Charger II Aquarium Accessory Acrylic (shatterproof w/ great clarity) in Green/Indigo, Size 2.0 H x 3.0 W x 5.0 D in | Wayfair

While this dual air pump utilizes a USB cord for continuous power for normal use, it also features an internal battery that instantly kicks in if power is lost. This keeps your tank’s water safely oxygenated in the event of a power outage in your home!...

Wayfair

$44.94

FREE shipping

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Penn Plax Cascade Air Charger I Aquarium Accessory, Size 1.5 H x 3.0 W x 4.0 D in | Wayfair SAXLB1

Penn Plax Cascade Air Charger I Aquarium Accessory, Size 1.5 H x 3.0 W x 4.0 D in | Wayfair SAXLB1

While this Air Pump utilizes a USB cord for continuous power for normal use, it also features an internal battery that instantly kicks in if power is lost. This keeps your tank’s water safely oxygenated in the event of a power outage in your home!... ... more

Penn Plax Cascade Air Charger I Aquarium Accessory, Size 1.5 H x 3.0 W x 4.0 D in | Wayfair SAXLB1

While this Air Pump utilizes a USB cord for continuous power for normal use, it also features an internal battery that instantly kicks in if power is lost. This keeps your tank’s water safely oxygenated in the event of a power outage in your home!...

Wayfair

$34.49

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Tucker Murphy Pet™ Cascade 20 Power Hang-On Aquarium Filter, Crystal in Black/Blue, Size 4.5 H x 3.75 W x 3.0 D in | Wayfair

Tucker Murphy Pet™ Cascade 20 Power Hang-On Aquarium Filter, Crystal in Black/Blue, Size 4.5 H x 3.75 W x 3.0 D in | Wayfair

The Cascade 20 quietly delivers crystal clear water and pushes water at 20 Gallons per Hour (GPH) for tanks up to 7 Gallons in size. It’s great for Freshwater and Saltwater Aquariums. Accommodating: The adjustable flow knob allows for increased or... ... more

Tucker Murphy Pet™ Cascade 20 Power Hang-On Aquarium Filter, Crystal in Black/Blue, Size 4.5 H x 3.75 W x 3.0 D in | Wayfair

The Cascade 20 quietly delivers crystal clear water and pushes water at 20 Gallons per Hour (GPH) for tanks up to 7 Gallons in size. It’s great for Freshwater and Saltwater Aquariums. Accommodating: The adjustable flow knob allows for increased or...

Wayfair

$36.99

FREE shipping

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Replacement Filter Cartridges, Medium, Pack of 3, 3 CT

Replacement Filter Cartridges, Medium, Pack of 3, 3 CT

Ready-to-use, preassembled filter cartridges install in seconds and help create crystal-clear, healthy water for your aquarium.Patented dual-sided replaceable dense-floss cartridges filter out more particles and debrisCartridges contain more activated... ... more

Replacement Filter Cartridges, Medium, Pack of 3, 3 CT

Ready-to-use, preassembled filter cartridges install in seconds and help create crystal-clear, healthy water for your aquarium.Patented dual-sided replaceable dense-floss cartridges filter out more particles and debrisCartridges contain more activated...

Petco.com

$7.95

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Replacement H Mini Filter Cartridges, Pack of 3, 3 GM

Replacement H Mini Filter Cartridges, Pack of 3, 3 GM

These premium cartridges help make your aquarium cleaner by removing unwanted fish waste and other debris, keeping your fish healthy and lively. Replace cartridge every 2 to 4 weeks depending on the amount of fish and number of daily feedings, simply... ... more

Replacement H Mini Filter Cartridges, Pack of 3, 3 GM

These premium cartridges help make your aquarium cleaner by removing unwanted fish waste and other debris, keeping your fish healthy and lively. Replace cartridge every 2 to 4 weeks depending on the amount of fish and number of daily feedings, simply...

Petco.com

$4.99

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MiniBow Replacement Filter Cartridges, Small, Pack of 3, 3 CT

MiniBow Replacement Filter Cartridges, Small, Pack of 3, 3 CT

Ready-to-use, preassembled filter cartridges install in seconds and help create crystal-clear, healthy water for your aquarium.Patented dual-sided replaceable dense-floss cartridges filter out more particles and debrisCartridges contain more activated... ... more

MiniBow Replacement Filter Cartridges, Small, Pack of 3, 3 CT

Ready-to-use, preassembled filter cartridges install in seconds and help create crystal-clear, healthy water for your aquarium.Patented dual-sided replaceable dense-floss cartridges filter out more particles and debrisCartridges contain more activated...

Petco.com

$9.49

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Replacement Filter Cartridges, Large, Pack of 3, 3 CT

Replacement Filter Cartridges, Large, Pack of 3, 3 CT

Ready-to-use, preassembled filter cartridges install in seconds and help create crystal-clear, healthy water for your aquarium.Patented dual-sided replaceable dense-floss cartridges filter out more particles and debrisCartridges contain more activated... ... more

Replacement Filter Cartridges, Large, Pack of 3, 3 CT

Ready-to-use, preassembled filter cartridges install in seconds and help create crystal-clear, healthy water for your aquarium.Patented dual-sided replaceable dense-floss cartridges filter out more particles and debrisCartridges contain more activated...

Petco.com

$9.95

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Carbon Filter Replacement Cartridge 3-Pack, Small

Carbon Filter Replacement Cartridge 3-Pack, Small

The Imagitarium Carbon Filter Replacement Cartridge 3-Pack includes three disposable and easy-to-use cartridges so your filter can trap unhealthy particulate matter. Each refill also helps provide biological filtration by cultivating and maintaining... ... more

Carbon Filter Replacement Cartridge 3-Pack, Small

The Imagitarium Carbon Filter Replacement Cartridge 3-Pack includes three disposable and easy-to-use cartridges so your filter can trap unhealthy particulate matter. Each refill also helps provide biological filtration by cultivating and maintaining...

Petco.com

$4.99

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Replacement Filter Cartridge, Large, Pack of 3

Replacement Filter Cartridge, Large, Pack of 3

Coralife Replacement Filter Carbon Cartridges fits the Coralife Marine Filter 30G. Quick and easy to replace. Dual sided, dense-floss carbon cartridge. Size Large. 3 Pack. ... more

Replacement Filter Cartridge, Large, Pack of 3

Coralife Replacement Filter Carbon Cartridges fits the Coralife Marine Filter 30G. Quick and easy to replace. Dual sided, dense-floss carbon cartridge. Size Large. 3 Pack.

Petco.com

$14.99

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Medium Power Filter Replacement Cartridges, 6.5 IN

Medium Power Filter Replacement Cartridges, 6.5 IN

Precision design to fit the Petco Power Filter 30 C with Bio-Falls technology and the Penn Plax Cascade 100. Each cartridge contains activated carbon for water clarity. For use with 10-30 gallon tanks. ... more

Medium Power Filter Replacement Cartridges, 6.5 IN

Precision design to fit the Petco Power Filter 30 C with Bio-Falls technology and the Penn Plax Cascade 100. Each cartridge contains activated carbon for water clarity. For use with 10-30 gallon tanks.

Petco.com

$7.99

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SmartClean EcoRenew Medium Filter Cartridges, Pack of 3, 3 CT

SmartClean EcoRenew Medium Filter Cartridges, Pack of 3, 3 CT

Aqueon Replacement Filter Cartridges are dual-sided, featuring fibers made from sustainable materials infused with carbon. This sustainable material allows these cartridges to be EcoFriendly being both biodegradable and compostable. The EcoRenew... ... more

SmartClean EcoRenew Medium Filter Cartridges, Pack of 3, 3 CT

Aqueon Replacement Filter Cartridges are dual-sided, featuring fibers made from sustainable materials infused with carbon. This sustainable material allows these cartridges to be EcoFriendly being both biodegradable and compostable. The EcoRenew...

Petco.com

$9.95

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SmartClean EcoRenew Small Filter Cartridges, Pack of 3, 3 CT

SmartClean EcoRenew Small Filter Cartridges, Pack of 3, 3 CT

Aqueon Replacement Filter Cartridges are dual-sided, featuring fibers made from sustainable materials infused with carbon. This sustainable material allows these cartridges to be EcoFriendly being both biodegradable and compostable. The EcoRenew... ... more

SmartClean EcoRenew Small Filter Cartridges, Pack of 3, 3 CT

Aqueon Replacement Filter Cartridges are dual-sided, featuring fibers made from sustainable materials infused with carbon. This sustainable material allows these cartridges to be EcoFriendly being both biodegradable and compostable. The EcoRenew...

Petco.com

$11.34

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Rite-Size Bonded Filter Sleeve Three-Pack for Penguin 150/125 Power Filters

Rite-Size Bonded Filter Sleeve Three-Pack for Penguin 150/125 Power Filters

Each preassembled Rite-Size Cartridge filters water through a double thick polyfiber pad which traps more dirt and debris, faster. The cartridge is packed with super-efficient pure Magnum Activated Carbon--it keeps working longer after most carbons... ... more

Rite-Size Bonded Filter Sleeve Three-Pack for Penguin 150/125 Power Filters

Each preassembled Rite-Size Cartridge filters water through a double thick polyfiber pad which traps more dirt and debris, faster. The cartridge is packed with super-efficient pure Magnum Activated Carbon--it keeps working longer after most carbons...

Petco.com

$6.99

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BioStyle Replacement Filter Cartridge, Pack of 2, .26 LB

BioStyle Replacement Filter Cartridge, Pack of 2, .26 LB

The BioStyle Multi-Stage Filter Cartridge provides 5-in-1 filtration which ensures clean, healthy, and clear water for your aquarium. Each Multi-Stage Cartridge includes a filter foam, three chemical media mix and filter fleece. These disposable... ... more

BioStyle Replacement Filter Cartridge, Pack of 2, .26 LB

The BioStyle Multi-Stage Filter Cartridge provides 5-in-1 filtration which ensures clean, healthy, and clear water for your aquarium. Each Multi-Stage Cartridge includes a filter foam, three chemical media mix and filter fleece. These disposable...

Petco.com

$11.99

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Penn Plax Aquarium Accessory in Black | Wayfair FC3

Penn Plax Aquarium Accessory in Black | Wayfair FC3

These Cartridges come in a 2 pack, and are made to fit most undergravel filters. They work with any lift tube of the following measurements: 11/16” // 27/32” // 15/16” // 1 1/8”. Furthermore, they serve as replacements for when it’s time to cycle out... ... more

Penn Plax Aquarium Accessory in Black | Wayfair FC3

These Cartridges come in a 2 pack, and are made to fit most undergravel filters. They work with any lift tube of the following measurements: 11/16” // 27/32” // 15/16” // 1 1/8”. Furthermore, they serve as replacements for when it’s time to cycle out...

Wayfair

$16.99 $14.98

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Penn Plax Aquarium Accessory, Crystal in White | Wayfair CMF1W

Penn Plax Aquarium Accessory, Crystal in White | Wayfair CMF1W

This 2-Pack of Cascade Bio-Floss Poly Fiber Floss Pads is specially designed for Cascade Max Flow Canister Filters, allowing for simple and easy media replenishment. Don’t worry about cutting to size, these pads fit directly into media trays within the... ... more

Penn Plax Aquarium Accessory, Crystal in White | Wayfair CMF1W

This 2-Pack of Cascade Bio-Floss Poly Fiber Floss Pads is specially designed for Cascade Max Flow Canister Filters, allowing for simple and easy media replenishment. Don’t worry about cutting to size, these pads fit directly into media trays within the...

Wayfair

$32.99

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Navy BioStyle 50 Hang-On Filter, 250 GPH, 5.5 W / 11 IN

Navy BioStyle 50 Hang-On Filter, 250 GPH, 5.5 W / 11 IN

OASE BioStyle 50 is a sleek, compact power filter, ideal for marine and freshwater aquariums up to 50 gallons. This hang on back filter includes three multi-stage filter cartridges and three biological filter foams to ensure optimal water quality and... ... more

Navy BioStyle 50 Hang-On Filter, 250 GPH, 5.5 W / 11 IN

OASE BioStyle 50 is a sleek, compact power filter, ideal for marine and freshwater aquariums up to 50 gallons. This hang on back filter includes three multi-stage filter cartridges and three biological filter foams to ensure optimal water quality and...

Petco.com

$69.99

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