Available in all countries Compatibility: Compatible with all Eson Nasal CPAP Masks. Not compatible with Eson 2 CPAP Masks. In the package: Ten (10) Elbow Diffusers with One (1) Q-Cover. Additional accessory part for all Eson CPAP Masks providing a perfectly quiet operating function. It saves up to 8 dBA. This accessory is not included in the Eson mask package. It is sold separately here. Certified Quality Manufacturer: Fisher & Paykel Country of Origin: New Zealand Part Number: 400HC228
