Check the listing for details. 1 Lb Activated Carbon. Condition: New. Listed at 22.99 USD. Designed for freshwater, saltwater, or any aquarium application. Pinky Filters carbon removes odors and helps promote clear water. It replaces any activated carbon. Features: SIMPLE and VERSATILE - Perfect for fresh & saltwater wet/dry filtration systems, ponds, and freshwater or saltwater canisters. Recommended for all hang-on, canister, or replacement for any filters that use activated carbon or charcoal. SAFE - for all fish (both fresh or saltwater), Reptiles in both aquarium tanks and ponds. Carbon removes harmful chemicals, toxins, odors, discolorations and other contaminants EFFECTIVE FILTRATION- Carbon removes harmful chemicals, toxins, odors, discolorations and other contaminants SIZE - Round Rods with a diameter of 0.175 and roughly 1/8" to 7/8" long QUANTITY - 1 Pounds bulk carbon recommended for all hang-on, canister, or replacement for any filters that use activated carbon or charcoal. QUALITY - Lab quality activated carbon is fast acting, filtration that will last long, providing you filtration for up to 6 weeks. Designed for fresh water, saltwater, or any pond or aquarium. Remove odors and help promote clear water. Replaces any activated carbon. Safe for all fish (fresh or saltwater) / Reptiles / Tanks & Ponds!