Simply attach to the intake of your existing pump via flexible tubing (not included) Manufactured by: OASE Effective Pond Surface: 270 sq. ft. Installation Depth: 8 - 22 in. Max. Water Level Variation: up to 6 in. Recommended Pump Capacity: 1600 to 3500 gph Pump Connection: 1 1/2 in threaded Tubing Connector: 1 in, 1 1/4 in., 1 1/2 in. Dimensions (Dia x H): 14 x 33 in. Limited Warranty: 1 Year