Designed to extract all air-borne powders and particles with its available collection hoses from scarifiers, line removers and saws during operation making it safer for the operator and environment. Can be tow-behind or positioned for removal operations. SMITH Model MV5.5 is powered by a 5.5 HP Honda gas-powered engine with tach (MV2E is an optional 110V 2HP electric) (complete with upper and lower 5 micron filter bag) (optional 1 micron filter cartridge with shake-down bar) dust collection vac system with Y-connector for use with up to two vacuum collection hoses. Includes one heavy-duty 4" X 25 foot collection hose, connection reducer for use with (specify) 1.5", 2", 3" or other intake port. Dust collection unit comes fully assembled on a rugged trailer frame with twin swivel casters and twin fixed rolling wheels.