Aquarium Filter Cartridges

Tetra Whisper Bio-Bag Cartridge replacements complete the Whisper Power Filter package for a clean, easy-to-maintain aquarium. Filled with ultra-ac...

Tetra Whisper Carbon Filter Cartridges complete the Whisper Power Filter package for a clean, easy-to-maintain aquarium. The included ready-to-use ...

These disposable filter cartridges are easy to use and work to help keep your fish tank in tip-top condition. The ultra-activated carbon is designe...

Tetra Bio-Bag Cartridges with StayClean technology make efficient maintenance of your aquarium easier than ever. These unique cartridges combine Te...

The Penn Plax Water World Prism Replacement Floss / Carbon Filter Cartridges are a disposable carbon replacement cartridge designed to fit the Pris...

The Penn Plax Small World Replacement Cartridge for the Fishbowl Filter is designed to fit the Penn-Plax Small World filter kit. Filled with activa...

Penn-Plax Smallworld Replacement Filtration Units remove harmful gases, odor and discoloration. Disposable, quick and easy filtration units for use...

Penn Plax Filt-a-Carb Undertow & Perfect-A-Flow Carbon Undergravel Filter Cartridge helps keep your aquarium water clean. Fits the Penn Plax Un...

The Replacement Bio-Sponge for the Penn Plax Cascade Internal Filter optimizes colonization of beneficial aerobic bacteria and removes ammonia and ...

The Replacement Bio-Sponge for the Penn Plax Cascade Internal Filter optimizes colonization of beneficial aerobic bacteria and removes ammonia and ...

The Replacement Bio-Sponge for the Penn Plax Cascade Internal Filter optimizes colonization of beneficial aerobic bacteria and removes ammonia and ...

Marineland Eclipse Filtration Systems filter cartridges are designed for optimal performance and incredible ease of use. Rite-Size Z cartridges fea...

The Magnum 2000 Floss Sleeve is specifically designed with a fine mesh that traps and holds dirt particles, while the sleeves open cell constructio...

Marineland Bio-Wheel Emperor Power Filters cartridges are designed for optimal performance and incredible ease of use. Rite-Size E cartridges featu...

Marineland Bio-Wheel Penguin Power Filter Cartridges are designed to meet the absolute highest standards of water purification performance and oper...

Marineland Bio-Wheel Penguin Power Filter Cartridges are designed to meet the absolute highest standards of water purification performance and oper...

Marineland Bio-Wheel Penguin Power Filter Cartridges provide premium activated carbon for efficient mechanical and chemical filtration, keeping you...

The Marineland Micron Filter for Magnum 200 polishes the water by removing fine particles, leaving the water sparkling clean. The micron filter wor...

Lees Cartridge Premuim Dispenser 2-Pack is an easy-to-install cartridge with twice the high-grade, activated carbon of our Standard Disposable Carb...

Lees Cartridge Carbon Dispenser is an easy-to-install cartridge filled with high-grade, activated carbon. Disposable Carbon Cartridges keep tanks s...

Fluval U Series Filter Poly / Carbon Cartridges have two sides for the most effective filtration. The U Series Cartridges is a polyester filter pad...