AFS-1000B Features a handy remote control that can be used to adjust the three speeds, timer and on/off. Quietly cleans and filters the air in your shop while you work. Filtering 98% of all particles 5 microns in size and 85% of all particles 1 micron in size. Use in conjunction with a JET dust collector for maximum dust control. Unit comes complete with eyebolts to either hang the machine from the ceiling or to sit on on a workbench. System features a convenient built in timer that can be set at 2, 4, or 8 hour increments. Turn the timer on when you enter the shop and forget about it. System will shut itself off at the hour interval you set,Constructed of a heavy-duty, powder coated metal box and powerful motor and fan for added durability.