Tetra Whisper Bio-Bag Filter Cartridges Medium 12 Pack Part# 26160 --- Maxspect this is the only replacement

this is the only replacement Check Value available from Two Little Fishies

Compatable with Magnum Internal Polishing Filter but NOT the Magnum 350 canister filter

Tube - 2" around by 24" high

or for just enjoying your tank in a whole new perspective

Tetra Whisper Bio-Bag Filter Cartridges Medium 12 Pack Part# 26160 --- Maxspect this is the only replacementThese filter cartridges remove odors and impurities from the water for a pure aquatic environment. The easy to assemble Bio Bags make aquarium maintenance easy. Clean your aquarium with the power of Ultra activated carbon in these Tetra Whisper Bio Bag Disposable Filter Cartridges. The highly absorbent carbon removes odors and discoloration, while dense mesh catches debris to provide clean, clear water for your aquatic pet. With the easy to use,