Experience exceptional protection with the AirFlex Mask, combining all day comfort with industry leading filtration. Featuring a washable AirFlex Skin and replaceable botanical filters which last up to 28 days. Certified by an FDA approved MedTech lab for >99% viral, bacterial and PM0.1 filtration.
Optimised for comfort, the AirFlex skin is built using AusAir’s in-house composite material to enhance the breathing experience. Enjoy humidity control and moisture release with dual stainless steel exhalation valves. Optionally activate two-way filtration with block-out technology protecting yourself and those around in any situation.
Clean your mask on the go inside the AusAir Copper Carry Bag, certified to deactivate >99% of bacteria.
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.
Click here to watch the AirFlex assembly video for more information.
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.