We have designed a HEPA filter for your IQAIR® room air purifier with an aluminum frame. This frame along with medical grade adhesives reduces the chance of odors to come from the filter. Our high quality filter captures 99.97% of particles 0.3 microns and larger and can even filter particles down to 0.003 microns. Fits HEALTHPRO®Compact, HEALTHPRO® & HEALTHPRO® Plus. (Antimicrobial treated version also available) * The use of aftermarket replacement filters may affect the IQAIR® manufacture's warranty