BMC P6 Nasal Pillow Mask eson2 AirFit N30i Cushion sizes are

AirFit N30i Cushion sizes are indicated by large letters printed on the side of the cushion: a red S for Small

The frosted/clear silicone seal fits outside of the cushion

5 Filter Box is intended as a replacement component ONLY

it's an ideal backup power solution for home too

BMC P6 Nasal Pillow Mask eson2 AirFit N30i Cushion sizes areThere are three sizes (S, M, L) of pillow in the package, and the main frame fits all sizes of pillows. Features Circular Dispersion VentThe circular dispersion vent keeps the noise as low as 18dB (A) and meanwhile protects your bed partner from being disturbed. All Size Kit Included are three cushion sizes, Small, Medium and Large in the package. Modular Main Frame The main frame is compatible with all pillow sizes. Three point adjustable Headgear