This commercial air pump with 6 outlets is perfect to run several Waterfarms or multiple air stones at once. Electrical magnetic air compressor in a high quality aluminum alloy case, wear and tear resistant material for cylinder and piston. High pressure and high output, comes with multi-outlet divider. Super silent with multi-level muffler, low power consumption. Special artificial rubber to keep a steady air flow output and pressure that can be adjusted freely. Features Ideal for running several Waterfarms or multiple air stones at once Electrical magnetic air compressor in a high quality aluminum alloy case Wear and tear-resistant material for cylinder and piston High pressure and high output Comes with 6 outlet, high quality copper, individually controllable air divider 20W 45 L/min, 713 GPH Pressure >0.02 MPa 1-Year warranty 120V 700 GPH Maximum amperage: 0.17A Maximum decibels: 45