Manufactured by C-vac to fit Minuteman vacuums including X-1000, X-250, X-700 series, and X839 series w/ 105" or 130" lid. With spun aluminum frame. Each filter is tested and certified in accordance to industry standards to have a minimum efficiency of 99.97% on 0.3 microns.---------------------------------------------------------------------------------------------Click here to view typical Minuteman filtration configurations: 4/6 gal. or 15 gal.
