Penn Plax has taken the best features of canister filters and combined them into one beautiful package. The Cascade 1500 Canister Filter features : 350 gph operation for aquariums up to 200 gallons Quick, push-button self primer Easy-lift alignment clamps for quick and easy opening Two independent, 360-degree rotational valve taps for easy setup. Tip-proof filter base with rubber feet for secure placement Extra Large Capacity Filtration Trays Filter media included