Tetra Whisper Bio-Bag Disposable Cartridges, Aquarium Filter Cartridges, 3 Count
REPLACEMENT CARBON FILTER: Keeps aquarium water crystal clear – removes odors and discoloration.
CATCHES DEBRIS: Dense, dual-sided mesh filters debris and fish waste.
FITS TETRA WHISPER WATER FILTERS: Color coded to make it simple to remember which replacement cartridge size to purchase.
$6.47