Best Oxygen Concentrator 价格 1-7L Cheap Oxygen Generator Portable Oxygen-Concentrator

Model Number3CHZY00130000ColorWhiteMaterialABSVelocity of flow:1-7LNoise of the whole machine≤50dB(A)Oxygen concentration40%~90%(Adjustable by flow)Power supplyAC220V±10%Input power150VA

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