The Ruby Adjustable Style Chinstrap is availabe 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 oth
2 pack of disposable pollen filters for the Philips Respironics Dreamstation BiPAP and CPAP's. This filter is not compatible with the Phillips Respironics Dreamstation 2.
