Original Honeywell replacement postfilters for Honeywell Electronic Air Cleaner. 20" x 20" This Pack Contains Two 20" x 10" Filters to Fit One 20" x 20" Air Cleaner. OEM replacement for Honeywell Electronic Air Cleaner.
- New postfilters have been proven to add 8-10% more efficiency at the smallest micron channel (0.3-1 microns), while keeping added pressure drop at a minimum.
- Antimicrobial coating protects against bacteria and fungal growth on the postfilters. Electrostatic charge helps attracts airborne particles like a magnet. Note:The electrostatic charge will break up if washed.
- Postfilters will elevate the performance of your air cleaner's efficiency in capturing bacteria, smoke, particles, mold spores and other fungi.
Replacement filters for F300 and F50F Electronic Air Cleaners only - will not Fit F50E models! Honeywell recommends that postfilters be replaced approximately every six (6) months.