Disposable Multi-vent Oxygen Mask

Comparing to the venturi mask, multi-vent oxygen mask have the similar function to offer several different oxygen concentrations for the patients, but it is different from the venturi mask in structure. Multi-vent oxygen mask don't have those oxygen diluters, but an built-in valve inside to adjust the oxygen concentration by turning the valve to a certain position. Normally multi-vent oxygen mask provide a narrow range of oxygen concentrations, usually from 24%-50%, widely used for the oxygen therapy. Product details Disposable Multi-vent Oxygen Mask Made of medical grade PVC, odorless Oxygen concentration from 24%-50% Size from S/M/L/XL for adult and children Each packed with an instruction label in a plastic bag  

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