Headgear for FlexiFit 432 CPAP/BiPAP Masks PN1207 They are used to attach

They are used to attach the mask to the lower headgear straps

A check valve is included free as well

It comes in a single size that adapts to a wide range of users

This swivel tube with exhalation port from Respironics is designed for use with all Nuance & Nuance Pro CPAP and BiPAP Masks

This replacement AirPillow Seal (Nasal Pillow) is designed for use with all F&P Pilairo CPAP/BiPAP Masks

Headgear for FlexiFit 432 CPAP/BiPAP Masks PN1207 They are used to attachThis is the adjustable Easy Release Headgear (straps) with Clip & Tri Glide Buckle that comes standard with all FlexiFit 432 (HC432) Full Face CPAP BiPAP Masks. It is identical to the headgear used for the FlexiFit 431 except for the label, indicating the mask design, on the back of the headgear.