Graco Electronic OIL FLUID Meter 24U959 for fuel diesel oil fluids. When I remove the red plastic plug it smells like diesel fluid, so it was either used or maybe that was from factory testing? This item is in the category "Business & Industrial\Fuel & Energy\Oil & Gas\Dispensers & Accessories". The seller is "enlightenmentnow" and is located in this country: US. This item can be shipped to United States.