Tetra® Whisper Bio-Bag Disposable Filter Cartridge - Biological Aquarium Filter Media

DESCRIPTION Tetra Whisper Bio-Bag Disposable Filter Cartridges remove odors and impurities from the water for a pure aquatic environment. The easy to assemble Bio-Bags make aquarium maintenance easy. Highly absorbent carbon removes odors and discoloration, while dense mesh catches debris to provide clean, clear water for your aquatic pet. Features: Highly-absorbent carbon removes odors and discoloration for clean, clear aquarium waterDense, dual-sided mesh catches debris and fish waste to help maintain purityConvenient, easy to assemble Bio-Bags are easy to useIncludes: Disposable Filter CartridgesIntended For: AquariumsColor: BlackSize: Available in 3 count, 8 count and 12 count sizesInstructions: For best results change Bio-Bag monthly Cartridges are available in medium (10i, E, J, 10 and MicroFilter power filters) and large (20i, 40i, C, 20, 30, 40 and 60 power filters) sizes