Bio-Bag Cartridge K365

Maintain healthy pH levels in your tank with Tetra BIO-Bag Aquarium Filter Cartridge. This filter features duel-sided floss that removes dirt and debris from your aquarium to keep it clean for your underwater buddies. It provides four stages of filtration with ultra-activated carbon that removes odors and yellow discoloration. Compatible with BIO-Bag filters, Tetra BIO-Bag Aquarium Filter Cartridge will keep your tank looking and smelling good.