The Replacement Valve and Clip for ResMed Mirage Liberty Full Face CPAP Mask (#61342) is part of the Anti-Asphyxia Elbow and is made from silicone. Use the Clip to secure the valve to the mask...
The Silicone Seal/Cushion for HC431 and HC432 Full Face Mask is the silicone cushion which can be used with both Fisher & Paykel HC431 and HC432 Full Face Masks. The Silicone Seal is available...