Respironics ComfortGel Blue Full Face Mask Cushion by Philips Respironics Save 15% $46.50 $39.60 Small - 1040798 - $39.60 Medium - 1040799 - $39.60 Large - 1040800 - $39.60 Small - 1040798 Medium - 1040799 Large - 1040800 Size 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart The Gel Cushion for ComfortGel Full Face Mask is the replacement gel cushion for use with the ComfortGel Full Face Masks. This is the replacement cushion only and does not include the silicone flap. There are three (3) different Frame sizes for the ComfortGel Full. The cushion and frame must be the same size to ensure proper fit. Cushions will not fit on a mask frame of a different size.