National-Spencer, Inc. 1014, Rotary pump polypropylene. Features: Dispenses 1-gallon per 16 revolutions, Lightweight and corrosion resistant, Bung adapter (10217), 1” Hose barb, 3/4” Outlet BSP, 1” Inlet BSP, 1.25” O.D. Pick up tube. Construction: Polypropylene, PPS Vanes, PTFE Seals, Polyethylene Gaskets, Recommended for: Petroleum products, water-based chemicals, and chlorinated solvents.