Austin Air Junior Replacement Filter

The official Austin Air Junior Replacement Filter keeps your purifier running like new. Built to last up to 5 years under normal residential use, each cartridge combines 60 sq. ft. of Medical-grade HEPA with up to 15 lbs of activated carbon + zeolite for unmatched performance.

Choose the filter that matches your needs:

• HealthMate (FR400) – All-around protection for dust, pollen, odors, and everyday air quality.

• HealthMate Plus (FR450) – Adds potassium iodide to tackle chemicals, VOCs, and formaldehyde.

• Allergy Machine (FR410) – Adds HEGA carbon cloth for enhanced mold, pollen, and asthma support.

• Pet Machine (FR405) – Targets pet dander and odors.

• Bedroom Machine (FR402) – Five stages, including military HEGA cloth, for ultimate nighttime protection.  Protection against dust, pollen, odors, chemicals, VOC's and formaldehyde.

• Fits all Austin Air Junior size units (16.5” tall).

• 5-year lifespan under normal use.

• Made in USA – Buffalo, NY.

Installation: Unplug unit, remove bottom plate, swap the old filter for the new one (label side up), re-attach, and run on high for 1 hour to condition the carbon.