Find the lowest price for:       All ProductsFilter Media     0.0 (0)   Add a review Tetra Whisper Bio-Bag Disposable Filter Cartridges Large   Whisper Bio Bag Disposable Filter Cartridges keep your aquarium water crystal clear, help remove odors and discoloration, and are economical and easy to use. Whisper Filter Cartridges provide superior mechanical and... Have a question? Ask the Experts! Compare Prices Product Spec Member Reviews Recommend to Friends Category Mechanical BiologicalChemicalMechanicalMedia Bags--------Suggest a new option Something wrong in this page? Let us know! Related products: More Mechanical Filter Media Other Filter Media internal use: spec356