The Mirage Activa LT Cushion and Clip is a replacement seal(Cushion) for the ResMed Activa LT nasal CPAP mask. Your CPAP mask cushion seal will wear out over time and will need to be replaced to make sure that you get the most out of your sleep apnea therapy.
Indicators that it is time to replace your cushion can be either difficulty maintaining a good seal even though you have cleaned it thoroughly or you notice the clear silicone seal is now turning a yellow color.
Average 3-4 Months Usage Before Needing to Be Replaced
Return on Warranty Issues Only