Honeywell 50000293-003 20 x 10 Post Filter F50F

50000293-003 Honeywell replacement postfilters for Honeywell Electronic Air Cleaner. 20"x25" This Pack Contains Two 20"x12.5" Filters to Fit a combined 20"x25" Air Cleaner. OEM replacement for Honeywell Electronic Air Cleaner. (50000293-004) Features: New postfilters have been proven to add 8-10 percent more efficient 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. This package ships with two (2) postfilters.