Tubing to use with this pump: 3/16" for manifold to Air Stones. 1/4" for connecting manifold to Air Pump. 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 (6, 8, and 12) that can be individually opened or shut Pressure >0.03 Mpa Weight: 5.8 lbs. Package Dimensions: 10.0L x 5.3W x 5.9H Units/case: 8 Rated Wattage: 60 Warranty: 1 Year Rated LPM: 70 Voltage: 120 Rated GPH: 1100 Rated Amperage: 0.5 Max. Decibels: 60