ACTIVE AQUA AIR PUMP 45L/min 6 OUTLET 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. 1-Year warranty. 20-Watts, 45-liter per minute, 120-voltage.