Tetra Whisper Bio-Bag Filter Cartridges For Aquariums unassembled Large 12 Pack
About this item UNASSEMBLED 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
CONVENIENT Easy to assemble and easy to replace