at 0.075 torr oil seal single stage dry vacuum pump This pump is water cooled, positive displacement, and rotary screw type rated for Class 1 Groups C & D Div 1 Complete skid includes two -2" flame arrestors 12 liter flushing reservoir Hastelloy after condenser one pass 8 Sq.Ft and the U-12 knock out pot, with filter and teflon de-mister Knock out pot is Tefzel lined Carbon Steel Water usage required is 1 gpm