Fluval 306 Aquarium Canister Pro Kit Pro kit includes 306 filter, 2lbs of premium filter carbon, 2lbs of ceramic bio rings, 80pcs bio balls and 4pcs foam block Suitable for aquariums up to 70 gallons Equipped with a clog-proof intake strainer and a dual layer foam screen Sound dampening impeller design for a quieter operation Authorized fluvial dealer means full 3 year manufacturer warranty