Find all the Austin Air Filters, for the Standard sized filter kits you need here! These filters are all interchangeable in any HM400 model, unless your unit was purchased prior to September 1995. Customize your air purification needs with these filters from a leader in the air purifier industry.
AllAustin Air replacement filters units available in USA lower 48 states.
OnlyAustin Healthmate, Austin Healthmate Plus and Austin Bedroom machine replacement filters available in Canada.