Easily installed without tools (instructions provided), Pro-Dense Pre-filters trap larger particles, easing the burden on HEPA and carbon filters. AllerAir recommends changing your pre-filter every 3 months. Package of 4.

For use with the Austin Air HealthMate (HM-400) air purifier. Includes pre-filter.

For use with the Austin Air HealthMate Jr (HM-200) air purifier. Includes pre-filter.

For use with the Austin Air HealthMate Plus. Includes pre-filter.

For use with Austin Air HealthMate Jr Plus. Includes pre-filter.

For use with the Austin Air Allergy Machine air purifier. Includes pre-filter.

For use with the Allergy Machine Jr air purifier. Includes pre-filter.

For use with the Austin Air Pet Machine air purifier. Includes pre-filter.

For use with the Baby's Breath air purifier. Includes a white pre-filter.

For use with the HealthMate, HealthMate Plus, Allergy Machine, and Pet Machine

For use with the HealthMate Jr, HealthMate Jr Plus, Allergy Machine Jr, and Baby's Breath.