ONLY COMPATIBLE WITH AIRFLEX MASK RANGE
All day comfort meets >99% filtration.
Select from AusAir's range of botanical and blank filters, certified by an FDA approved MedTech lab. Each filter lasts up to 28 days.
Lasting up to 28 days, AusAir's filters have been independently certified by FDA registered and ISO 17025 accredited Nelson Labs, the leading global provider of microbiological laboratory testing for MedTech and pharmaceutical companies.
Filters >99% of:
Click here to view the reports.
To select the right size, measure the distance from your lower eyelid to your chin.

Kids: 7.5 - 8.7cm
Medium: 8.7 - 9.8cm
Large: 9.8 - 11.7cm
Extra Large: 11.7 - 13.9cm
If you measure between two size categories we recommend choosing the larger size. When measuring ensure your mouth is closed and teeth are together.
To read our full shipping and return policy click here.