Roll this large Air Filter anywhere around the shop where it's needed most. Roll it out of the way when not in use. Features include a 12" air outlet, two speed motor and easy open door for filter cleaning. Air movement is 1000 CFM and 2000 CFM. Pre-filter: 3 microns. Primary filter: 0.3 microns. Overall size is 30-1/2"L x 25-3/4" W x 29-3/8" H. Approximate shipping weight 150 lbs.