Single replacement foam cushion with silicone seal for the Fisher & Paykel FlexiFit 405 nasal masks.
Important: This is a medical product and sterile. After opening the sealed packaging, the item is not refundable. Exchanges or refunds are for only originally packed product.
Please look at the silicon part of the currently owned sponge + silicone. On the lower part is clear inscription: small or large or S or L.