Philips Respironics DreamWisp Nasal CPAP Mask Replacement Cushion Size:Petite The unique ASV algorithm is

The unique ASV algorithm is capable of setting a target at 90% of the recent minute ventilation

and it will accommodate almost any sleeping position

with unique features that

With three comfortable positions

The full face mask cushion seal uses a "under the chin" design that will provide extra stability and maintain a secure fit even with jaw movement during sleep

Philips Respironics DreamWisp Nasal CPAP Mask Replacement Cushion Size:Petite The unique ASV algorithm isDreamWisp Cushion Replacement cushion comes in five different sizes for the new DreamWisp Nasal CPAP mask to fit most patients. The cushion comes in sizes: Petite, Small, Medium, Large and Extra Large. Cushion Sizing Select the cushion that fits the width of your nose without blocking your nostrils. The top of the cushion may sit between the bridge and the top of your nose.