Tetra Whisper Bio-Bag Assembled Cartridge Medium 1pk
For the ultimate in convenience, choose Assembled Whisper Bio-Bag Cartridges.
Whisper Bio-Bag Cartridges help to keep your aquarium clean and provide easy maintenance. The assembled and disposable single packs are filled with Ultra-Activated carbon that eliminates waste, odors and water discoloration. Single packs are designed to be changed once a month.
Replace the Bio-Bag when the water starts to overflow excessively from the Wonder Tube chamber.
FITS: PF10 Power Filter, 10i Internal and Reptofilter 90 GPH