Design: This self priming vertical lift pump, comes complete with a 2" polypropylene bung adapter; The bung adapter is manufactured to fit 15-55 gallon drums;. Material: This chemical pump is made from nylon and includes a stainless steel plunger rod and Teflon seals. Applications: This pump is excellent for use with lacquer thinners, acetone, antifreeze, brake kleen detergents, glycerin, or water; However, it is not to be used with strong acids or gasoline.