Honeywell 99.97% HEPA hospital grade replacement filter.
Typical filter life is 1 to 2 years. Honeywell recommends replacing the filters when there is a decrease in air quality and/or a pulsing sound can be heard.
Approximately 22" x 22" x 3-1/2"
All F111 series 3 units, F111A1063 series 3 units and F111C1003 series units
F111A1253 (11025)
F111B1070 (11007)
F111C1012 (11001)
F111C1038 (11003)
F111C1053 (11005)
F111C1061
F111P1091 (11009)
F111Z1081 (11008)