Used Donaldson Torit, Model DFO 3-6 Quick Ship Dust Collector, serial number 2287276-1, filter part number P191920, accommodates 55-gallon drum, (6) Ultra Web Filters, 1,140 square fee filter media, 3,000 - 4,000 CFM, type 4 pulse control, on legs, has hopper, fan is not included.