FitLife Total Face Mask, Large.
Large surface area equalizes pressure and flow inside the mask, minimizing eye irritation, Built in entrainment valve triggers access to room air if pressure drops, Cushion is integrated into the mask frame, reducing the number of parts, Perimeter seal with soft silicone cushion fits quickly and evenly for maximum comfort, Accessory swivel allows for greater tubing movement, The newest "Total" full face CPAP BIPAP mask.