The industrial portable dust collector produces 10 times more suction than ordinary shop vacuums. With a 13 gal. capacity dust bag, the dust collector works with 4 in. hoses to pick up large chips from jointers, saws, shapers and planers. Develop over 10 times the suction of most shop vacuums 660 CFM air flow Heavy duty ball bearing casters 4 in. hose inlet/outlet Hose sold separately.