Holmes HAPF21 U4 HEPA Replacement Filter

HOW IT WORKSHigh Efficiency Particulate Air HEPA Filters are proven to be the most trusted filter technology on the market. HEPA is a flat, pleated sheet composed of millions of microscopic fiberglass threads, forming a complex maze which traps airborne particles. It is the most advanced filter technology on the market and removes 99.97% of particles as small as 0.3 microns.FILTER CHANGESThe HAPF21 filter should be changed every 1 2 months, depending on use, for optimal performance.WHATS IN THE BOX 1 HAPF21 filter

Price:  $20.99 from

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