Get ready to breathe clean air with the HM400 True HEPA Replacement for Austin Air Healthmate FR400 HM405 HM410 HM450. This cartridge-type filter is expertly crafted and will last up to five years, making it a bang for your buck. The filter media is made of carbon, and the frame material is aluminum, ensuring that it is durable and long-lasting.


It is perfect for use in air purifiers, and it measures 13.5 inches in diameter, 7.25 inches in depth, and 14.5 inches in height. The True HEPA filtration technology ensures that the air you breathe is free from harmful particles and allergens. Choose from the gray color option and enjoy the benefits of this filter without worrying about the condition of the item.


STAGE 1 – Large Particle Pre-filter. Removes particles easily seen by the naked eye (e.g. dust, hair and pet dander)

STAGE 2 – Medium Particle Pre-filter. Removes small to medium size particles (e.g. molds, spores and pollen) Color: gray, blue or green

STAGE 3 – Over 780 cubic inches of Activated Carbon and Zeolite. Removes chemicals, gases and odors.

STAGE 4 – 60 sq. ft. of True Medical Grade HEPA. Removes 99.97% of all particles larger than 0.3 microns and 95% of all particles larger than 0.1 microns.

You can check the size of your existing filter by looking for a label on the underside. Model HM400 indicates standard size filter.


Brand new in sealed package