Balston (Parker Hannifin)
Product Type: Exhaust Filters
Parker Balston Model 18/18-371H, Filter Vacuum, Inlet and Exhaust, Complete Housing, 3/4" NPT Inlet/Outlet & 1/8" NPT Drain, 9 SCFM, 99.90% of 0.1 micron oil mist and smoke particles, 2 Torr, Steel.