Metabo Corp.'s ASR 2050 heavy duty vacuum features an automatic electromagnetic vibration filter cleaning ideal for dust and solid particles as well as non-flammable fluids. It comes with a 1 1/2-in. by 14-ft. suction hose and includes large rear wheels and industrial front swivel canisters. The unit has a suction power regulator that protects the electrical circuit from overloading and tripping circuit breakers. The unit can be used in conjunction with standard dustless concrete grinding systems. It weighs 39 lbs. and has 1,200 watts of power.