CPAP Mask Fit Guide
Find the perfect mask for comfortable, effective CPAP therapy
Fitting Guide 7 min read EN | ES Available
Types of CPAP Masks
Nasal Pillows
Small cushions that seal around the nostrils
Pros:
- Minimal contact
- Great for claustrophobia
- Works with glasses
Cons:
- Not for mouth breathers
- Higher pressure may be uncomfortable
Best for:
Side sleepers, active sleepers, those who feel claustrophobic
Nasal Masks
Covers the nose from the bridge to upper lip
Pros:
- Good seal
- Comfortable for most
- Stable during sleep
Cons:
- Not for mouth breathers
- May cause bridge marks
Best for:
Nose breathers, those who move during sleep
Full Face Masks
Covers both nose and mouth
Pros:
- Works for mouth breathers
- Good for higher pressures
- Reliable seal
Cons:
- Bulkier design
- May feel claustrophobic
- More cleaning required
Best for:
Mouth breathers, those with nasal congestion, higher pressure needs
How to Measure for the Right Size
Measuring Your Face
- 1 Use a flexible measuring tape or printable sizing guide
- 2 Measure from the bridge of your nose to just below your bottom lip
- 3 Measure the width across your nose at its widest point
- 4 Compare measurements to the manufacturer’s sizing chart
Fitting Tips
- • Start with headgear loose, then gradually tighten
- • The mask should seal without being overly tight
- • You should be able to slide a finger under the straps
- • Check for leaks around the cushion edges
- • Allow 1–2 weeks for adjustment to new mask
Common Fit Issues & Solutions
Air Leaks Adjust headgear tension, check cushion condition, or try a different size
Red Marks or Pressure Sores Loosen straps, use mask liners, or consider a different mask style
Dry Mouth Use a chin strap, switch to full face mask, or add heated humidifier
Claustrophobia Try nasal pillows, practice wearing mask while awake, or use gradual acclimation
Mask Slipping During Sleep Adjust headgear, try different pillow, or consider a more stable mask design
Find Your Perfect CPAP Mask
Browse our selection of CPAP masks from top brands like ResMed. All masks come with our 30-day exchange guarantee.
Need fitting help? Call us at (956) 267-8405