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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

Humidifier (CPAP)

A heated water chamber integrated into or attached to a CPAP/BiPAP device, adding moisture to the delivered air to reduce dryness and irritation in the nose and throat — most modern machines heat to a target dew point rather than a fixed temperature.