Honeywell's F118 is recommended for use in rooms with drop ceilings, and for spaces with structural ceiling not higher than 16-feet (4-4/5m), where there is a minimum one ft (2/7m) clearance between the drop ceiling and the structural ceiling. It fits neatly in a two by four ceiling panel. The one piece grille swings down easily for filter replacement. Provides 425 CFM at high speed, comes with three speed push button switch and optional wall mounted switch is available. It comes witha 95-percent DOP Media filter efficient at capturing 2/7M particles, two 7-pound CPZ filters and a prefilter. Honeywell CPZ filter is specially formulated for maximum efficieny at reducing gases,odors and VOC's.F118 can be used places where particles and odors cleaning is required.
