Material: Medical grade PVC;
Purpose: Mainly for the high-output
oxygen treatment
Tube Length: 210 or 150cm;
Vent: Large;
Elastic: Yes;
Oxygen Concentration: adjustable with the
adjustors: 24%(blue), 28%(yellow),
31%(white), 35%(green), 40%(pink) , 50%
Price (FOB Shanghai, China) : US$ 0.66/Set
Size : S , M , L , XL
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