Whisper Bio-Bag Cartridge - Large - 3 pk. - Assembled
Simply rinse assembled Whisper Bio Bags and slip these ready to use cartridges into the appropriate slot. Activated Carbon removes odors and discoloration. Fits Whisper Power Filters 20i, 40i, C, 20, 30, 40, and 60. Also fits Tetratec power filters.
Specifications Filtration Type CHEMICAL AND MECHANICAL