Fisher & Paykel Oracle HC452 Headgear, appropriate headgear should always be used in combination with the HC452 mask. Mask securely, the Oracle HC452 headgear comes with two clips. This headgear is constructed using Breathe-O-Prene. Headgear also be hand-washed and air-dried to remove dirt, perspiration, and oils. One size and also be adjusted to provide a custom fit.
