The FlexiFit HC431 Full Face CPAP Mask with Headgear, part of the FlexiFit family of CPAP masks by Fisher & Paykel, includes an under chin design with Glider™ Strap to make it easy to fit and use. This is a full face mask and covers both the nose and mouth.
Fisher & Paykels FlexiFit cushion technology allows the HC431 to contour to the surface of the face to provide a good seal. With movement during sleep, the Glider Strap allows the head to shift without disturbing the seal. The headgear strap maintain equal pressure as the head moves side to side. Under-Chin Design The Under-Chin Design offers stability by basing the seal on the jaw. If there is jaw movement during sleep, the mask seal remains. Efficient Air Diffuser The air diffuser vents the exhaled air. The design of the diffuser helps to avoid air blowing directly on a bed partner. Further, the directional tiny holes help to make the exhaled air quiet to increase sleeping comfort. Headgear Design Features The headgear of the HC431 includes a crown strap which offers greater stability and works in conjunction with the under-chin cushion design. A unique design feature of the headgear is an easy release strap allowing the mask to be removed in a single step.
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