Max Pressure: 2.5-3.0 bar Operation Pressure: 0.8-1.0 bar Free air flow: 13lpm Medication Size: < 0.5-5um Nebulizer Rate: >0.40ml/min Sound level: <54dB(A) Accessories：Medication Cup 1pc, Adult Mask 1pc, Child Mask 1pc, Oxygen Tube 1pc, Mouthpiece 1pc,  Fuse 2 pcs, PP Filter 2 pcs. Packing： 1pc/box, 5pcs/carton, carton size: 73*225*340mm