Product Name: Gas Generator Used Portable Oxygen Generator with Low Price (93%/95%) Model NO.: HL-WG- STDO Purity: >94.5% Voltage: 220V Noise Level: Ultra Low Certification: ISO9001, UL, SGS, RoHS, CE Condition: New Usage: Oxygen Oxygen Capacity: 5~200 Nm3/H Oxygen Purity: 91-95% Oxygen Pressure: 0~0.5MPa Dew Point: -40oc Trademark: HUILIN Transport Package: Wooden Case Packing Specification: Certificate: ISO9001: 2008 Origin: Guangdong HS Code: 8419601900 Product Description Oxygen Generator1)high purity2)exellent energy-saving3)smoothly running, long-life4)automatic operatingThe Structure of Oxygen Generator1) Compressed Air Purification System2) Air Buffer System3) Oxygen & Nitrogen Separation System4) Oxygen Buffer System5) Electrical Control System