A pure solution to enhance your home environment, personal comfort and well-being. The Holmes HAPF600M-U3 helps transform impure, polluted air by passing it thru a HEPA-type filtration system that leaves nothing but a balance of clean inhalation & gentle renewal in its wake.This filter works with Holmes Air Purifier models HAP726-NU, HAP756-NU and HAP8650B-NU. Helps remove up to 99.97% of air particles as small as 0.3 microns. Removes dust, pollen, pet dander & more. Pollutants are eliminated and replaced with breaths of nourishing air. Black/White.