Filter-Monster branded replacement compatible withAustin Air Bedroom Machine FR402 Air Purifier filter. Fits Austin Air models HM402, HM410, HM405, HM400, HM450. | 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 five (5) years under normal conditions, and more often under harsh air conditions. | Package contains (1) HEPA filter, two (2) pre-filters. | Approximate Dimensions - Diameter: 13.5", Inner Diameter: 7.25", Height: 14.5".
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Item# : SPM18298577104
Model # : RNAB07GNP49C5