Original Fisher & Paykel product in sealed manufacturers packaging. Headgear comes in two sizes: small and medium/large. Self-positioning design allows for maximum head movement during sleep reducing mask leakage. Quick clips allow for fast and easy mask removal. Prescription free product. The ErgoFit headgear is easy to use, fit, adjust and clean. This breathable, ergonomically designed headgear has been designed to self-locate high on the rear of the head allowing for maximum head movement (sideways, up and down) without mask dislodgement. The ErgoFit headgear also incorporates embedded VELCRO tabs for fast and easy removal. The adjustable crown strap enhances mask stability. Replacement headgear for the Fisher & Paykel Eson nasal mask. Mask clips are included with headgear.