Ruby Adjustable Style Chinstrap for CPAP/BiPAP Therapy Size:Extra Large It comes in a single

It comes in a single size that adapts to a wide range of users

and maintain a secure seal even at high positive airway pressure levels

The AirPillow is so thin that it can move and flex in any direction

a soft adaptive frame

is designed for use with all Vitera Full Face CPAP/BiPAP Masks

Ruby Adjustable Style Chinstrap for CPAP/BiPAP Therapy Size:Extra Large It comes in a singleThe Ruby Adjustable Style Chinstrap is available in two sizes Standard and Extra Large with soft Breathe O Prene straps and improved velcro fastenings. The Ruby Adjustable's unique continuous strap design is less susceptible to slippage than many other chinstraps. Its ultra wide comfort bands help hold the mouth closed and provide added comfort and stability during CPAP BiPAP sleep therapy.