1-8L/min Adjustable Oxygen-Concentrator-Machine 90%-93% Purity For Household Use

Adjustable Oxygen Flow 1L/min-8L/min ,Oxygen Purity 30%-90%. Oxygen concentration: 30%-92% (1L/Min)adjustable. Oxygen Flow(L/min):1-8L/Min adjustable. Full copper compressor, long service life. Function:with Atomization Function.

eBay