ResMed 18721624031328 18721624064096 18721624096864 18721624129632 One-time purchase: Subscribe & save (5%): Deliver every 6 Months Subscription details x How subscriptions workProducts are automatically delivered on your schedule. No obligation, modify or cancel your subscription anytime. Learn more... Small - Blue - $ 31.00 Small - Violet (For Her) - $ 31.00 Medium - Blue - $ 31.00 Large - Blue - $ 31.00 Qty. 1 2 3 4 5 6 7 8 9 10 Add to Cart AirFit N20 and N20 for Her Replacement Headgear is currently on backorder. You may still purchase now though and we'll ship as soon as more become available. Replacement headgear for the popular AirFit N20 and N20 for Her nasal CPAP mask.