A package of Bias Flow Diffusers in a set of 10 for the Fisher & Paykel Zest Q CPAP nasal mask
and Fisher Paykel Lady Zest Q Nasal CPAP
Mask This filter is great as it actively works in reducing noise often generated by the inhaltion and exhalationg of the mask during therapy. It also works with exhalation holes to reduce air and noise away from your bed partner allowing them to sleep peacefully.
10 per pack