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Oxygen concentrators and CPAP/BiPAP devices are prescription-required medical devices under FDA regulation. A valid prescription is verified prior to fulfillment regardless of payment method. Content on this site is general health information, not medical advice — see our editorial policy.

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Definition

Leak Rate (CPAP)

The volume of air escaping around a mask seal rather than through its intended vent, reported by most modern CPAP/BiPAP machines and used to judge mask fit — a persistently high leak rate usually means a mask sizing or seal problem, not a pressure problem.

CPAP Masks & Accessories →