Marineland BIO-CLEAR Slim Filter Cartridge, New

I'm selling Marineland BIO-CLEAR Slim Filter Cartridges! They are brand new and ready to use. These cartridges are best for goldfish and help to adsorb toxic ammonia and reduce fish stress. They also contain Zeolite with Ceramife for clean and clear water. $12 for the 6 packs or $2.50/pack.