24 in. x 12 in. x 6 in. Pre Heater. Use this pan to warm the sap before adding to boil. Pan sits on top of your main pan and can be removed or moved. One 1/2 in. female NPT fitting. 18g 304 2b stainless steel. All seams TIG welded. Photo shows preheater in use with main pan. Main pan sold separate.