Quietly improves the air quality of your workshop at 3 speed requirements 2 stage filtration, one disposable electrostatic 5 Micron outer filter and 1 Micron inner filter Designed to either be set on a workbench or hung from the ceiling, hanging from chains Timer setting automatically shuts the air cleaner off after 1, 2 or 4 hours Comes with remote control, four air cleaner hooks, ceiling hooks and chains for ceiling mounting