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.WHATÂ’S IN THE BOX 1 HAPF21 filter.
Originally posted 2015-11-03 10:12:42. Republished by Blog Post Promoter