This 2 quart Marine Accusump kit is for pre-oiling and surge control on all applications. Tube is 12 long with 4-1/4 Dia. All components are anodized aluminum, stainless, or brass. The kit comes with a liquid filled stainless steel pressure gauge, stainless steel mounting clamps, brass safety valve, E. P. C. valve system, on / off switch, wire and terminals and installation instructions.