Product Specifications Flow Specifications 1 LPM-5LPM Oxygen Concentration 93%(+3%, -3%) Electrical Requirements Please see back panel label Power Consumption 330 Watts Sound 50 dBa Dimensions 13.4 in. W X 11.8 in. D X 25.6 in. H (34 cm W X 30 cm D X 65 cm H) Weight 41.9 lbs (19 kg)