NQ Clarifier Prefilter - This polyester prefilter captures particles as small as 10 microns in size in larger. This includes all visible particles as well as microscopic allergens. Embedded carbon removes odors, fragrance, smoke and other vapor pollutants. As the first stage in NQ Clarifier filtration, it traps the large particles that can shorten the life of a HEPA filter while trapping noxious odors and fumes. Clean every 2-3 months and replace every 6 months to 1 year. Fits both the NQ Clarifier and NQ Clarifier Medical air purifiers. Made in the USA.
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