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Product Details
Shipping & Returns
Free Shipping for orders $50 and above in contiguous U.S. For orders under $50.00, the shipping rate is $7.99. Orders shipping to Alaska, Hawaii, Puerto Rico, Guam, and Virgin Islands are subject to an additional shipping fee.
Expedited Shipping
Orders under $50.00:
- 2-day shipping - $19.99
- Overnight shipping - $29.99
Orders over $50.00:
- 2-day shipping - $29.99
- Overnight shipping - $49.99
Order must be placed with approved prescription (where applicable) before 10 a.m. ET to ship same day. Excludes Saturday and Sunday delivery.
Expedited shipping is not available:
- To Alaska, Hawaii, PO boxes and some rural areas.
- During excluded holidays
Some orders require a prescription and by law cannot be processed and shipped until a valid prescription is on file and verified by Sleep Doctor. We can help you obtain a prescription renewal at no extra charge if your prescription has expired or is not accessible. Just place your order and follow the instructions provided to schedule a complimentary virtual consultation with a board-certified sleep specialist.
Please note that your order may ship in multiple packages.
Once your order ships, you will receive a tracking number and estimated date of delivery. Most customers receive their orders within 4-7 days of shipping. Carrier delays are outside of our control.
Find our full Shipping & Returns policy here.
ResMed AirFit™ F40 Cushion
$ 45.90
Reviews
- William A.Verified BuyerReviewingResMed AirFit™ F40 CushionRated 5 out of 5 stars11/30/25Favorite mask and cushion
My favorite mask so far. I tried 4 others.
Was this helpful? - Walter L. F.Verified BuyerReviewingResMed AirFit™ F40 CushionRated 5 out of 5 stars9/13/25Great mask Great sleep
The Sleep Doctor Does things Right -- The ResMed F40 mask is like the Sleep Doctor described _Great mask - great Sleep now !!
Thank you Sleep Doctor
Was this helpful? - DanaMcMasterVerified BuyerReviewingResMed AirFit™ F40 CushionRated 5 out of 5 stars1/31/25Long time user. Have tried them all. This is a winner.
After using the large sized mask and head gear for a few months I realized that the medium was perfect for this large sized male head. This frame and cushion are vey comfortable and doesn't cover the nose but allow full breathing through the nose.
Was this helpful? - Jared G.Verified BuyerReviewingResMed AirFit™ F40 CushionRated 4 out of 5 stars1/3/25Soft
Soft and pretty comfortable
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