ResMed

ResMed AirFit F40 Headgear

(26 reviews)

$34.00

Free Shipping Over $50

Price Match Guarantee

When headgear stretches, leaks follow. The ResMed AirFit F40 Headgear is the replacement designed to bring your AirFit F40 mask back to a secure, comfortable fit so your CPAP therapy stays consistent.

Built for the AirFit F40 system only, this headgear combines soft straps that adapt to your face with durable construction for dependable nightly wear. It’s a simple refresh that helps restore a reliable seal and a calm routine.

Better seal: Supports a steady mask fit during therapy.
Softer feel: Comfort-forward straps made for nightly use.
Secure fit: Adapts to facial contours to help limit leaks.
Durable wear: Replacement built for consistent, routine therapy.
Right-size options: Choose Small, Standard, or Large.
F40-specific: Only compatible with AirFit F40 CPAP Masks.

Manufacturer Product Number: 64635, 64633, 64634

Restore leak-free nights with your AirFit F40

Refresh your mask’s fit with the ResMed AirFit F40 Headgear, designed to keep therapy steady and comfortable. The soft straps are made to adapt to your face for a secure, personalized fit that supports a reliable seal through the night. A consistent seal can help your mask work as intended, so you can focus on rest—not readjustments. Built durable for nightly use, this replacement headgear is a simple way to bring your AirFit F40 setup back to form when wear and stretch set in.

Gentle, soft-feel straps
Holds position for a steady seal
Helps minimize mask leaks
Built for dependable wear

A stretched headgear can undermine even the best mask cushion. Replacing the AirFit F40 headgear helps maintain a snug, stable fit for consistent therapy.

Supports a reliable mask seal
Helps reduce mid‑night readjustments
Designed specifically for AirFit F40 masks
Comfortable feel night after night

Choose the right size and confirm compatibility before you order to keep therapy on track. The AirFit F40 Headgear is a direct replacement made exclusively for the F40 mask system, helping you restore the original fit profile without guesswork.

Only compatible with AirFit F40 CPAP Masks
Size options: Small, Standard, Large
Replace at regular intervals for best fit
Straightforward swap with your existing mask frame

Vendor Product Number	64635
Tax Category	CPAP Replacement Supplies
Billing Code	A7035 (Headgear)

4.8

Rated 4.8 out of 5 stars

Based on 26 reviews

96%would recommend this product

Customers Talked About

26 reviews

Sort

JIm G.
Verified Buyer
21 seconds ago
Rated 5 out of 5 stars
New Headgear
It fits well
Was this helpful?
Cynthia H.
Verified Buyer
4 days ago
Rated 5 out of 5 stars
Excellent prices, products, and services!
⭐⭐⭐⭐⭐ Excellent Products, Prices, and Service!
CPAP.com is simply the best! They offer excellent prices, frequent discounts, and high-quality products. Ordering is always easy, and deliveries are consistently prompt and reliable. The mask I purchased from them is the best CPAP mask I’ve ever used, and I couldn’t be happier with it! My experience with CPAP.com has been outstanding, and I highly recommend them to anyone looking for quality CPAP products at great prices.
Was this helpful?
Don S.
Verified Buyer
2 weeks ago
Rated 5 out of 5 stars
Good product
They work better than generics you can find.
Was this helpful?
Ernest M.
Verified Buyer
4 weeks ago
Rated 5 out of 5 stars
Air Fit F40 Headgear
Very comfortable
Was this helpful?
Ernest M.
Verified Buyer
1 month ago
Rated 5 out of 5 stars
Headgear
Comfortable and easy to use
Was this helpful?

Why cpap.com

We are experts in what we do!

25+ years of sleep apnea expertise, 2+ million masks personally fitted, and 500,000+ CPAP machines set to prescription. Our Sleep Specialists are here when you need them.

2.3+ million sleepers served since 1999

10,000+ five-star service reviews

USA Today Best Customer Service 2025

Call 1-800-356-5221