If you are not sure what unit you have, please send us a photo of your unit, your filter, dimensions or your serial # so we can verify with Austin Air
Do you have a Standard Austin Air Unit?
Unit has casters (wheels) / labeled HM400 / Approx 14.5" tall
Important
- If your unit is manufactured before 1996, you can only use the Allergy Machine Hega Filter which you can find by clicking here.
- If your unit manufactured after 1996, you can use any of the standard filters as they are interchangeable.
