filter-monster.com filter-monster replacement filter compatible with austin air healthmate junior plus (hm250) with pre-filter

Filter-Monster branded replacement compatible with Austin Air Healthmate Junior Plus FR250 Air Purifier filter. Fits Austin Air models HM250, HM200, HM205. | True HEPA filtration removes up to 99.97% of airborne particles as small as 0.3 microns in size including dust, smoke, pollen, pet hair and dander, mold spores and dust mites. | Recommended to change filter once every 5 years under normal conditions, and more often under harsh air conditions. | Package contains (1) HEPA filter, two (2) pre-filters. | Approximate Dimensions - Diameter: 9.8", Inner Diameter: 5.5", Height: 11.50".