This pack includes 10 Bias Flow Diffuser filters for the Fisher & Paykel Zest Q CPAP nasal mask and https://www.respshop.com/nasal-cpap-mask/lady-zest-q-p-427.html . The filter actively works in mitigating the noise generated from the mask during therapy, and works with exhalation holes to dissipate air away from your bed partner.
How many filters are included in each pack?
There are 10 filters per pack.
10 per pack.