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By certification 
The working mechanism of portable electric oxygen generator is that N2 in air is absorbed by molecular screen, and O2 is collected and purified into high concentration O2: 90%~93%. All the components and elements used in electric oxygen generator meets CE and ROHS standards. It is very quiet during oxygen concentration process. The whole oxygen concentration process needs no additives and won't produce any pollutants or residuals, it is environment friendly.
3L Stationary oxygen concentrator
Technical parameters:
Purity Oxygen: ≥ 93%±3（V/V）
Flow rate: 1-3L/min
Voltage: AC220V±22V, 50Hz±1Hz/AC110V±15V, 60Hz±1Hz
Output pressure: 20kPa～60kPa
Sound level: less than 43db
power consumption: 210watts
Net weight: 12kg
Size: 34.4x30.6x56.5cm
5L stationary oxygen concentrator
Technical parameters:
Purity Oxygen: ≥ 93%±3（V/V）
Flow rate: 1-5L/min
Voltage: AC220V±22V,50Hz±1Hz/AC110V±15V, 60Hz±1Hz
Output pressure: 20kPa～60kPa
Sound level: less than 45db
power consumption: 300watts
Net weight: 15kg
Size: 34.4x30.6x56.5cm
8L stationary oxygen concentrator
Technical parameters:
Purity Oxygen: ≥ 93%±3（V/V）
Flow rate: 1-8L/min
Voltage: AC220V±22V, 50Hz±1Hz/AC110V±15V, 60Hz±1Hz
Output pressure: 20kPa～60kPa
Sound level: less than 48db
power consumption: 480watts
Net weight: 18kg
Size: 34.4x30.6x56.5cm
http://www.minterhealthcare.com/
