Elbow Diffusers for F&P Eson CPAP/BiPAP Masks (10 Pack with Cover)

These filters, from Fisher & Paykel, slot in between the Diffuser Cover and the Elbow on all Eson CPAP/BiPAP Masks. When in place the diffuser will lower the sound level of any Eson Series Mask by approximately 8 dBA! This package includes 10 diffusers as well as a diffuser cover.