4 X 800 GPH Aquarium Powerhead Circulation Pump Wave Maker with Suction Cup Mount Total flow rate: 3200 GPH (800 GPH each), High waterproof performance ensures safety and reliability 360 degree rotation to adjust flow in any direction, Suction cups with articulating ball joints for versatile directions Easy installations (suck the cups to inner wall & plug in the power) Recommend aquarium size: 40~80 gallons (each wave maker), Output: 800gph (3000L/H) each pump Includes: (4) 800 GPH Wave Maker