DF-013 Specifications

Flow Rate: 1-9L/min adjustable
Concentration: 93%±3%~30%±3%
Mode: Continuous flow 
Net Weight: 13.2lbs(6kg)
Dimensions:  20.5×28×39cm/ 8*11*15.3in
Noise: ≤40dB
Input Voltage: AC 110-240V, 50/60Hz; DC 12-16.8V