Penn-Plax Filt-a-Carb Replacement Activated Carbon Media Cartridges (2 Pack) - Fits Multi-Pore and Undergravel “E” Filters - Provides Chemical Filtration (FC2)

CHEMICAL FILTRATION: In addition to absorbing ammonia, nitrites, nitrates, and phosphates in a timely manner, these Activated Carbon Cartridges also remove harmful chemicals and toxins, clear up discolorations, and reduce foul odors from your tank. SHOP PENN-PLAX FOR ALL YOUR PET?S NEEDS: Penn-Plax is a manufacturer and distributor of top quality pet supplies, who specialize in creating excellent pet products for animals, both great and small. International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.