All stainless steel construction. F&D head clean air plenum installed with air header, solenoid valves, and hinged access hatch. 36"Ø circular filter housing with a 20"W X 42"H hinged bag access hatch and 3-point side mounting saddles. Enccentric cone hopper and pneumatic hammer vibrator. Clean air out: 4.0" O.D. (sleeve). Dirty air in: 3.0" O.D. sleeve. Dust discharge: 8" flange. Designed for (7) bags and cages measuring 80" long.