Oil Pump; Air-Operated; Single Stroke; Lubricant/Air Ratio-20-1; Max Output-0.45 Cu. In; Reservoir Capacity-4 1/2 Pint / 123 Cu. In; Air Inlet-1/4" NPTF; F; Lub Outlet-1/4" NPTF; F; Lubricant Oper. Pressure; Min./Max; -750 PSIG / 1000 PSIG; 18-1/2" X 5-1/2" X 6"; Air Valve Required-3-Way