5L Portable Oxygen Concentrator Oxygen Generator POC-04 trolley 13lb) Noise ≤ 40db at

13lb) Noise ≤ 40db at any setting Size 390mm*275mm*120mm Charge time is approximately 30 minutes fully charged Battery duration 2 hours at 1-3lpm

it is quieter

5-3L adjustable Oxygen purity Percentage: 90%±3%（3LPM） Power Supply(V) AC220V/110v 50 hz Outlet pressure： 0

no time limit

5L Portable Oxygen Concentrator Oxygen Generator POC-04 trolley 13lb) Noise ≤ 40db atFeatures: Lightweight easy to carry Easy operation High oxygen concentration over 93% Ultra quiet design, low noise Timing function Imported lithium molecular sieve Low pressure alarm protection Long service life Specifications: Model number Oxygen Concentrator Oxygen flow rate 1L 5L Oxygen purity 1 LPM 90%3% Outlet pressure 40 60 kpa Noise 45dBA Weight 5. 5kg Dimensions 260(L)215(W)370(H)mm