Portable 3L Car Oxygen Concentrator with External 2200mAh Lithium Battery, Compact Oxygen Machine for High-Altitude Oxygen Supply in Vehicles.
Product Description:

Custom properties: Power Supply: AC Power Air Volume: 10L Control Method: Electronic Touch Brand: Tynson or OEM Weight: 22KG Filter Type: Composite Filter Working Principle: Negative Ion Release Time: 2021 Product Features: Economical Oxygen Bar Noise Level: 36-45dB Item Number: BJ-7455 Specifications: US Standard 110V, UK Standard 220V, EU Standard 220V Color: White Medical Device Approval Number: Wan Medical Device Approval 20222080151 Cross-border: Yes Oxygen Concentration: 93% ± 3% Dimensions: 40cm * 30cm * 51cm