Used 6000 ACFM Exhaust Gas Scrubber system. Manufactured by Clean Gas Systems Inc. (2) 48" cyclonic 304 stainless steel separators. Each unit: 48" diameter x 9'-5.5" OAH. Rated 6000 ACFM @ 86 F. Pressure: 22 PSIA, Gas Density 0.1087 lbs/cu. Ft. Pressure drop: 2.5" W.C. Design pressure: 8 PSIG. Each unit has 16" bolted inspection door, 6" drain, 6" overflow connection, 1/2" NPT coupling for pressure tap, and 3/8" pipe X 6" LG. with NPT CPLG. Plug for pressure tap. Cyclones are connecting in tandem by 16" X 21" flanged connection.