SunSun JVP-201 1585 GPH Wavemaker Powerhead Dual Aquarium Circulation Pump (4-Pack 1585GPH) Total flow rate: 6400 GPH (1600 GPH each) Totally submersible and oil-free motor to avoid pollution to the living circumstance Recommend max aquarium size: 240 gallons Power cord: 4.5 feet Includes: 4 pieces of 1600 GPH Wave Makers