Oxygen concentrator 7F-3A 1. Bionic and streamline fashion design, which win the national outlook top award-Red Star Award. 2. Lower noise was acheived by using advanced round airway and multilevel noise decreasing design. 3. Big LCD screen to see the figures clearly, cumulative time metering and timing power off function are avaiable. Technical dataPower supply: AC220± 22V, 50± 1HzInput power: ≤ 350VAOxygen concentration: ≥ 90%Oxygen flow: 1~3L/minOutput pressure: 30~70kPa Operation noise: ≤ 55dB (A) Company: Minmin Medical Instruments Co., Ltd.

