{"product_id":"resplabs-cpap-mask-liners-compatible-with-resmed-airfit-f40-full-face-mask","title":"resplabs CPAP Mask Liners - Compatible with ResMed AirFit F40 Full Face Mask","description":"\u003cp\u003eresplabs CPAP Mask Liners for ResMed AirFit F40 Full Face Mask\u003c\/p\u003e\n\u003cp\u003eIf your F40 mask leaves red marks, causes skin irritation, or leaks air during the night, a mask liner can help. These soft, reusable fabric covers sit between your skin and the mask cushion — creating a comfortable barrier that reduces pressure points and helps improve your mask seal.\u003c\/p\u003e\n\u003cp\u003eWHAT IS INCLUDED?\u003cbr\u003e4 reusable mask liners sized for the ResMed AirFit F40\u003c\/p\u003e\n\u003cp\u003eHOW IT WORKS:\u003cbr\u003ePlace the liner over your existing F40 mask cushion before putting on your mask. The fabric layer absorbs facial oils and moisture while creating a softer surface against your skin. Many users notice improved comfort from the first night.\u003c\/p\u003e\n\u003cp\u003eCOMPATIBLE MASKS:\u003cbr\u003e- ResMed AirFit F40\u003c\/p\u003e\n\u003cp\u003eNOT COMPATIBLE: F20, F30, F30i, N20, or other mask models. We make mask-specific liners for each — check our storefront.\u003c\/p\u003e\n\u003cp\u003eHOW LONG DO THEY LAST?\u003cbr\u003eEach liner lasts approximately one month with proper care. Hand wash with mild soap, air dry, and rotate between liners. The 4-pack provides 2-4 months of use.\u003c\/p\u003e\n\u003cp\u003eTIP: It may take 2-3 nights to find the optimal position on your mask. Slight adjustments can make a big difference in seal quality and comfort.\u003c\/p\u003e","brand":"resplabs","offers":[{"title":"Small Wide","offer_id":51866345046336,"sku":"JD-Y6B2-JH79","price":19.99,"currency_code":"USD","in_stock":false},{"title":"Medium","offer_id":51866345079104,"sku":"I2-QA5I-3IAA","price":19.99,"currency_code":"USD","in_stock":false},{"title":"Large","offer_id":51866395279680,"sku":"0O-5X8C-65AC","price":19.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0769\/5050\/3744\/files\/B0GJW7J8G9.MAIN.jpg?v=1776803552","url":"https:\/\/resplabs.com\/products\/resplabs-cpap-mask-liners-compatible-with-resmed-airfit-f40-full-face-mask","provider":"resplabs","version":"1.0","type":"link"}