The Dust Muzzle Ultra, an efficient side-mounted vacuum pickup system, features a flexible adapter ring that allows firm attachment to all grinders without the need to pinch off the hose clamp. Pollutants are forced through the exhaust port into a standard 2-hp industrial vacuum, removing up to 99% of the pollutants. Use the unit when grinding fi berglass, concrete, wood, paints, and epoxies. Dust Collection Products. 877 223-2154.