Honeywell 203372 Replacement Pre filter for Electronic Air Cleaner 12.5" x 20"- 2-PK

Honeywell Replacement Pre Filter for Honeywell Electronic Air Cleaner

The Honeywell 203372 is a washable filter 12.5" x 20", you should wash your pre-filters every 2-4 months, be sure and allow filter to dry completely before returning to the air cleaner!
The Honeywell 203372 Replacement Pre Filter 2-pk fits the Honeywell Electronic Air Cleaner models:F50E1000
F50E1166
F50A1009
F50E1026
F50E1273
F50A1025
F50E1141
F50E1299
Keep in mind, your humidifier filter should be replaced annually to maintain adequate humidifier performance!