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    O2 Assist uses 3rd party delivery methods, such as UPS, USPS, etc.
    We cannot be held responsible for delays, vandalism or losses. We do everything thing in our power to make sure such events do not occur.


    O2 Assist RETURN POLICY O2 Assist will accept a return for an exchange or a refund (minus shipping costs) within 10 days of purchase. Some items may be subject to a restocking fee. Use the unit for ten days for fewer then ten hours. We would like you to use your new concentrator as soon as possible to make sure that it meets your needs, as our customer satisfaction policy is time sensitive. If the unit has a smoke odor, a return will not be accepted.

    You will need a return merchandise authorization (RMA) to initiate a return. Contact us at 866.285.0655 to start the process. The unit must be shipped in its original packaging to obtain a refund. O2 Assist is not responsible for damage to the unit during the return. Make certain to get a tracking number when shipping back to have visibility of the return. We cannot sell a unit as new if it has been damaged or has operated for more than 10 hours outside the factory, the 100% customer satisfaction is only valid if you contact us within 10 days and the unit has remained in unused / like new condition. Has not been used in a smoke-filled environment and has been run fewer than 10 hours.

    Call first to get an RMA, then make returns to:
    O2 Assist 22 Rancho Cir, Lake Forest, CA 92630
    Sincerely, The O2 Assist Team