The Honeywell 50000293-004 Post Filter 12.5×20 – 2-Pack is a replacement post filter for the 20×25 and 20×12.5 F300E and F50F air cleaners. The Honeywell post filter increases the efficiency of your Honeywell electronic a
Specification: Honeywell 50000293-004 Post Filter 12.5×20 – 2-Pack
