Description
This is a replacement filter for the Austin Air Allergy Machine. All standard size units are interchangeable with all standard size filters. So, if you purchased a standard size HealthMate and would like to upgrade to the Allergy Machine, simply purchase a replacement Allergy Machine filter. Filter Specifications: STAGE 1 in Large Particle Pre-filter. Removes particles easily seen by the naked eye (e.g. dust, hair and pet dander) STAGE 2 in Medium Particle Pre-filter. Removes small to medium size particles (e.g. molds, spores, and pollen) STAGE 3 in 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. STAGE 4 in Military-Grade HEGA Carbon Cloth. HEGA (High-Efficiency Gas Arrestance), providing an extremely large surface area for adsorption of chemicals, gases, viruses, and bacteria. You can check the size of your existing filter by looking for a label on the underside. Model HM400 indicates a standard size filter. » Air Filter Replacement Instructions