2-PackHoneywell Compatible Charcoal Replacement Pre-Filters are each pre-cut to 3-1/8" x 36" to fit Honeywell Enviracaire® 10590, 50100 and 50101 air purifiers, plus the Sears Kenmore HEPA 100 Air Cleaning System. Will also fit any air purifier that uses a Honeywell 20590, HRF-11 or HRF-D1 HEPA filter, or a Kenmore 83239 HEPA filter. Activated charcoal reduces odors and captures large airborne particles before they reach the HEPA filter. Change pre-filter every 3 months, depending on use. Package contains two (2) Charcoal Pre-Filters (3-1/8" x 36" each).
Please see Owner's Manual tab for full instructions on changing the pre-filter, based on your Honeywell or Sears Kenmore model.
NOTE: Do NOT immerse the pre-filter in water – it is NOT washable.