The Replacement Reusable Diffuser Filter for Fisher & Paykel Eson 2 Nasal Mask – is designed for use with all Fisher & Paykel Eson 2 CPAP & BiPAP Masks. The diffuser filters snaps over the built exhalation holes which is located on top of the elbow & swivel connecting the CPAP Machine’s tubing to the frame of the CPAP mask. The nasal mask diffuser filter dramatically reduces noise and draft. In the box: (1) Diffuser Filter
