Respironics ComfortGel Blue Flap & Gel Cushion (Medium)/CPAP Mask Wipes.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. CPAP Mask Wipes are quick and easy to wipe away dirt, grease and oils from your CPAP mask without using harmful chemicals. CPAP Mask Wipes from AG Industries are made with 100% cotton & all natural cleansers.So, they will be gentle on your mask, hands and face. Plus, they are unscented, so you won’t have a lingering scent on your mask. Cleansers are made from coconut and other plant extracts 62 wipes per tub. Alcohol and Latex free. CPAP America is your one-stop-shop for all of your sleep apnea needs!