If you use a CPAP machine for sleep apnea, you know how essential it is for better sleep and overall health. But did you know that failing to replace your CPAP supplies regularly can lead to serious health risks?
The Hidden Danger of Old CPAP Masks
Over time, CPAP masks and other components can become breeding grounds for bacteria and fungi—even if you wash them regularly. A study conducted at Harvard Medical School found that dirty or old CPAP masks can harbor over 2,000 colonies of bacteria in just 48 hours significantly increasing the risk of:
- Respiratory infections
- Skin irritation
- Allergic reactions
Visual evidence shows:
- Bacteria growth on CPAP masks within 6 months, even after washing
- Fungal growth after 1 year, which can be dangerous for your health
How Often Should You Replace CPAP Supplies?
To keep your CPAP therapy safe and effective, follow these replacement guidelines:
- Air Filters: Every month
- CPAP Mask System: Every 6 months
- Water Chamber: Every 6 months
- Tubing: Every 6 months
- CPAP Machine: Every 5 years
These replacement intervals help prevent contamination and ensure optimal performance of your CPAP machine.

Stay Ahead with Automatic CPAP Supply Delivery
Managing replacements can be a hassle, but it doesn’t have to be. With AutoShip Subscriptions from Resolve Shop, you’ll receive the supplies you need, when you need them—plus 10% off every order.
Visit Shop.ResolveSleep.com to learn more and keep your CPAP therapy safe and effective.

