This Honeywell compatible prefilter is designed for Honeywell Electronic Air Cleaners and works especially well in the removal of larger particles in the surrounding air. This allows for a significant improvement to overall air quality by increasing the overall efficiency of your Honeywell Air Cleaner.
Please note: Will NOT fit the F50A or F50E series.
Approximately 12-1/2" x 20" x 1/4"
Honeywell:
F300 Series: F300A2025, F300A2012, F300B2012, F300E1035
F50F Series: F50F1040, F50F1057, F50F1065
F58F Series: F58F1000
Other Manufacturer Part Numbers: SA274-12-1/2x20x1/4, A60257