Find the lowest price for:       All ProductsFilter Media     5.0 (3)   Add a review Tetra Whisper Bio-Bag Disposable Filter Cartridges Medium   Whisper Bio-Bag Cartridges are available in ready-to-assemble or assembled replacement cartridges for the Whisper Power Filters. Cartrideges help to keep your aquarium clean and provide easy maintenance. Have a question? Ask the Experts! Set Price Alert Compare Prices Product Spec Member Reviews Recommend to Friends Searched Tetra Whisper Bio-Bag Disposable Filter Cartridges Medium in 150 stores, 17 results found Image Description   Store   Price Whisper Bio-Bag Cartridges / Type (Medium/1pk/Assembled) If this item doesn't belong here, click Remove and help us keep our results accurate.   GregRobert Pet Supplies   0 Store Reviews   $2.22 Go to Store Whisper Bio-Bag Cartridges, Medium If this item doesn't belong here, click Remove and help us keep our results accurate.   Aubuchon Hardware   0 Store Reviews   $2.39 Go to Store Tetra Whisper Bio-Bag Disposable Filter Cartridges Medium If this item doesn't belong here, click Remove and help us keep our results accurate.   Allpetdepot.com   0 Store Reviews   $5.09 Go to Store Tetra Whisper Bio-Bag Disposable Filter Cartridges Medium If this item doesn't belong here, click Remove and help us keep our results accurate.   PETCO   0 Store Reviews   $5.97 Go to Store Whisper Bio-Bag Cartridges / Type (Medium/3pk/Assembled) If this item doesn't belong here, click Remove and help us keep our results accurate.   GregRobert Pet Supplies   0 Store Reviews   $5.99 Go to Store Tetra "Whisper" Bio Bag Filter Cartridges 4 Pak Medium If this item doesn't belong here, click Remove and help us keep our results accurate.   eBay   3 Store Reviews   $6.5 Go to Store TETRA BIO-BAG MED REFILL 3PK If this item doesn't belong here, click Remove and help us keep our results accurate.   Aquarium Center   0 Store Reviews   $6.99 Go to Store Bio-Bag Medium Cartridges Tetra Whisper 10i/Jr 3pk If this item doesn't belong here, click Remove and help us keep our results accurate.   eBay   3 Store Reviews   $7.5 Go to Store Whisper Bio-Bag Cartridges / Type (Medium/8pk/RTA) If this item doesn't belong here, click Remove and help us keep our results accurate.   GregRobert Pet Supplies   0 Store Reviews   $9.28 Go to Store Whisper Bio-Bag Cartridges / Type (Medium/12pk/RTA) If this item doesn't belong here, click Remove and help us keep our results accurate.   GregRobert Pet Supplies   0 Store Reviews   $9.6 Go to Store TETRA BIO-BAG MED REFILL 8PK If this item doesn't belong here, click Remove and help us keep our results accurate.   Aquarium Center   0 Store Reviews   $11.99 Go to Store TETRA BIO BAG MED REFILL JR 12 If this item doesn't belong here, click Remove and help us keep our results accurate.   Peticious.com   6 Store Reviews   $12.78 Go to Store TETRA BIO-BAG MED REFILL 12PK If this item doesn't belong here, click Remove and help us keep our results accurate.   Aquarium Center   0 Store Reviews   $12.99 Go to Store Tetra Usa Inc Bio Bag Medium Refill 8 Pack If this item doesn't belong here, click Remove and help us keep our results accurate.   SHOP.COM   0 Store Reviews   $13.2 Go to Store Tetra "Whisper" Bio Bag Filter Cartridges 12 Pak Medium If this item doesn't belong here, click Remove and help us keep our results accurate.   eBay   3 Store Reviews   $15.95 Go to Store WHISPER/TETRA BIO BAG 24 PACK BOX MEDIUM CARTRIDGES If this item doesn't belong here, click Remove and help us keep our results accurate.   eBay   3 Store Reviews   $18.25 Go to Store Whisper Medium Bio Bag Filter Cartridges 24-Pack If this item doesn't belong here, click Remove and help us keep our results accurate.   eBay   3 Store Reviews   $27.99 Go to Store Are we missing a store? Let us know! Something wrong in this page? Let us know! Related products: More Mechanical Filter Media Other Filter Media internal use: spec356