GermGuardian Air Purifier Replacement Filter L, FLT4200, HEPA Pure, for Model AC4200

CAPTURES ALLERGENS: 360 degree HEPA Filter captures 99.97% of dust and allergens as small as 0.1 microns such as household dust, pet dander, and plant pollens REDUCES ODORS: Carbon filter layer reduces common odors from pets, smoking and cooking. Acts as a pre-filter to capture large dust particles, helping to extend filter life Replacement filter for GermGuardian Air Purifier Model: AC4200W and AC4250B Always install filter with open end up. Filter needs to be replaced every 6-8 months depending on the use of the product; IMPORTANT: Use genuine Guardian Technologies replacement parts to maintain product performance