Replacement Cushion for theAir Fit N30i Nasal CPAP Mask is made of silicone and free of rubber latex and is only compatible with the Air Fit N30i Nasal CPAP Mask& Resmed Airfit P30i Nasal Pilow Mask To alleviate confusion, ResMed has colour-coded each cushion to prevent the wrong size from being purchased if you are looking to replace your current cushion but do not know the size.

Replacement Cushion for theAir Fit N30i Nasal CPAP Mask comes in four different sizes: Small, Medium & Small Wide.