Electric High Pressure Air Compressor Pump Scuba Diving Pump 1800W 30MPa 4500PSI. Rated power:1.8kw. Motor speed: 2800r / min. Air output: 130L / min. Cooling mode: water cooling. Compression level: secondary compression. Lubrication method: splash type. Motor material: all copper coil. Cylinder head material: cast aluminum. Working pressure: 0-30mpa (4500psi)….