NARDI Esprit 3T Electric Compressor 50' Hose Hookah System Scuba Diving Third Lung Surface Air New Accumulator Tank 20 Cubic Feet at 114 PSI 500 Watt 12 Volt System 2 Cylinder engine at 2400 RPM Filtered Air Intake 6.4 cubic feet / minute 45cm x 24cm x 28cm and only 27 lbs.