Tetra Bio Bag Cartridge Large

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 water

Dense, dual-sided mesh catches debris and fish waste to help maintain purity

Convenient, easy to assemble Bio-Bags are easy to use

Includes: Disposable Filter Cartridges
Intended For: Aquariums
Color: Black
Size: Available in 3 count and 12 count sizes

Instructions: 
For best results change Bio-Bag monthly