For Connection from Oxygen Concentrator to Humidifier Bottle if the oxygen concentrator does not have a screw on connection pointing down. Not needed for Optimize 10 liter O2 Concentrators.
30 Day Return Policy if unused and in original packaging.
5% restocking fee. Customer must pay all shipping costs for return of items.
Generally ships within 2 to 3 days of ordering (business days). 5 to 7 days transportation time.