Looking to replace the cushion on your full-face CPAP mask? We carry a variety of CPAP mask cushion replacements from leading CPAP manufacturers all for the lowest prices on the internet. Due to repeated use and oils that are released through our pores, mask cushions are often replaced before any other mask part. It is recommended that mask cushions are replaced every 3-6 months. A good indication of a mask cushion needing to be replaced is leakage. When a cushion is worn out the seal is compromised which will cause mask leaks, which may be recognized when air is being blown directly into your eyes.