Resideo Honeywell 203369 Air Cleaner Pre-Filter, 12-1/2″ x 20″ x 5/16″, for F50F, F58F, F300A and F300E

Resideo Honeywell Air Cleaner Pre-Filter. This pre-filter is 12-1/2" x 20" x 5/16". This filter does not include the clips. This filter is sold individually. For use with models F50F1065, F50F1040, F50F1057, F58F1000, F300A2012, F300A2025, F300B2012, F300E1035, F300A series, F300E series, F50F series and F58F series. This filter will not fit F50A or F50E models. This electronic air cleaner pre-filter is washable, and will only require replacement if it is damaged. Wash quarterly with soap and water to keep in working shape.