Honeywell Home 20" X 20" Post Filter (Pair)

**Note:** The filter color has been updated and is no longer a blue/green color. Filter is now gray in color. Honeywell's high efficiency, charged post filters boost the efficiency of any Honeywell electronic air cleaner with negligible effect on pressure drop. This high air flow media post filter is compatible with F300 and F50F electronic air cleaners. Note: Each filter is 20" x 10", 2pc required to match F300 and F50F electronic air cleaners.