The SilkGel Replacement Cushion for the EasyFit SilkGel Full Face Mask with Headgear is available in three sizes and will only fit the same size mask frame.
The EasyFit frame can accept all three available types of cushions:
The SilkGel Replacement Cushion inflates with the machine's therapy air to provide a comfortable fit and hold that inflates and deflates automatically in response to pressure changes.
Where do I find the size?
To find the size of the silkgel full face cushion, locate the flat bottom of the mask. A large, black letter is written near the rim, which connects the full face cushion to the mask frame.