For the best results you should change your CPAP mask cushion every three to six months. The ComfortGel Blue Nasal Replacement Cushion will fit your ComfortGel Blue Nasal mask by Philips Respironics. This is a petite model with the part # 1070108. Premium Headgear for Comfort Series Masks by Philips Respironics has EZ Peel tabs, which adjust easily in four places for a secure, custom fit. The CPAP headgear evenly distributes tension, adds stability, and helps to prevent mask leaks. There is no stitching to irritate skin and it will withstand repeated wash cycles without fraying, curling and shedding. Also available individually.Premium Headgear works with the following: Philips Respironics CPAP Masks: Original ComfortGel™ Nasal CPAP Mask, ComfortGel™ Blue Nasal CPAP Mask, ComfortFull 2 Full Face CPAP Mask, Profile Lite, ComfortSelect, Comfort Classic. CPAP America is your one-stop-shop for all of your sleep apnea needs!