Item Detail Table of Content Graco Oil Pumps - Double Ball Check Item Number: GRC237-526 Supplied by GRACO INC (see all) ITEM IS DISCONTINUED1-855-298-2687 Description For light fluids and motor oils up to 1,250' - 4 simultaneous dispense points. Warranty Product Specification Ratio 3:1 Container SizeUniversal Air Motor Diameter 3" Maximum Continuous Duty Flow Rate32 g.p.m Air Inlet1/2 NPT (f)