Philips WISP with Fabric Frame Fit Pack

WISP's intelligent Auto Seal groove accommodates your movements providing you with a superior night's sleep Each WISP mask includes headgear and 1 small,1 medium, 1 large, and 1 extra-large nasal cushion. Excellent value for today's patients.   Each cushion size is designed to provide a custom fit for optimal performance and maximum comfort, so you get a more restful night's sleep.