HumidX F20

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$44 - $74

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Prescription required (Learn More)This product requires a prescription. We must have a valid prescription on file before we can ship this product. After ordering, we'll send you a secure link with instructions on uploading your prescription to the ResMed Shop, or sharing your doctor's contact information.

Free ground shipping

90-day manufacturer's warranty

Sleep advisor support

Product highlights

Exclusive to AirMini™, HumidX™ F20 is ResMed’s standard waterless humidifcation system, designed to retain moisture and humidify the air you breathe.


  • HumidX F20 is ResMed’s standard waterless humidification system made specifically for the F20 full face mask. It captures heat and moisture to provide comfort and effective humidification for most climates and sleep environments. Cartridges should be replaced after 30 days of use and not suitable for washing.
  • SKUs offered: 38012, 38013

Compatible masks

  • HumidX F20 is only compatible with the F20 full face mask.

    Please note HumidX F20 is NOT compatible with the P10 nasal pillows, N20 and N30 nasal, or F30 full face masks.

Prescription requirements

  • Please note, your order is not considered complete until you have provided us with a valid prescription. If we are not able to obtain your prescription, we will be required to cancel your order and refund you the full purchase price. See our Terms and Conditions for more details.

Shipping & returns

  • Free ground shipping on all orders over $50
  • Standard Return Policy: You may return this product within 30 days of the date that the product is delivered to you if the product is in original, unopened condition. See our Return Policy for more details.

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