Petersen Industries 21 Series Pump Left Ccw Rotation Tandem Unit 2 Stages Sae 2 Bolt B Sec - Weep Hole 1”-15 Spline Shaft Double Seal Weep Hole First Stage 1-1/2 Gear Width Gear Housing Split Flange #20 1-1/4 Inlet Port Split Flange #16 1 Outlet Port Bearing Carrier Common Inlet No Outlet Orb #4 Inlet Port Blank Outlet Port Second Stage 1-1/2 Gear Width Gear Housing Blank Inlet Port Blank Outlet Port Port End Cover Orb #16 Rear Inlet Port Orb #12 Rear Outlet Port Extended Studs Bottom