The replacement Silicone Seal (Cushion) for HC431 and HC432 Full Face Mask come as a single cushion in your desired size: small, medium, or large. All three cushion sizes fit on the HC431 and HC432 Full Face Mask.
The Silicone Seal is designed to be both comfortable and affordable, making it easier than ever to keep up with your therapy.
Where do I find the size?
To find the size of the cushion, turn the mask to look at the flat bottom of full face cushion. Large embossed letters spell out the words "S M A L L," "M E D I U M," or "L A R G E." The words are found near the rim connecting the mask frame to the full face cushion.
Frame and Cushion Compatibility