Specifications: Physical dimensions Weight 3.3 lb Size 4.2 x 6.5 x 6.5 Operating parameters Treatment time 5 to 7 min Maximum pressure 44 PSI Maximum flow rate 9.4 l/min Operating flow rate 7 LPM @ 10 psi Mode of operation 30 min. on/30 min. off Power Electrical rating/power 120 V / 60 Hz, 1.7 Amp Capacity Nebulization capacity 8 ml MMAD 80% <lt/> 5 microns