Fisher and Paykel Zest Q CPAP Diffuser Filters (10-Pack) bagtravel If the power supply is

If the power supply is disconnected or not available for use Hybernite tubing will function as standard CPAP tubing without power

You can find your size indicated on the tag at the back of the headgear

They will only fit the BMC F5A/F5 Mask and can not be used as a replacement for other brands/models

Multiple Headgear Sizes Available: Three different headgear sizes to ensure an optimal fit for the user

The Mirage Quattro has built-in vents which disperse air gently and quietly so you and your partner can enjoy a good night's sleep

Fisher and Paykel Zest Q CPAP Diffuser Filters (10-Pack) bagtravel If the power supply isDiffuser Filters for Zest Q Nasal CPAP Mask The Fisher and Paykel Diffuser filters fit in between the Diffuser Cover and the Elbow on all F&P Zest Q Masks. The diffuser will lower the sound level of any F&P Zest Q Series Mask by approximately 5 dBA! The Diffuser Filter and Elbow Cover are optional items which help to make the F&P Zest Q Masks extra quiet. They are not required for proper operation of the mask. If you are interested in the Zest Q,