The Eson 2 Nasal mask seal is a replacement seal for the Eson 2 Nasal CPAP Mask. Any size cushion will sit the Eson 2 Mask.
Manufacturer’s suggested replacement schedule:
Cushions should be replaced every 3-4 months. Facial oils will deteriorate materials in the cushion with prolonged use. Daily cleaning is recommended with light soap and warm water.