WaterLoo Small 20"x 66" two pan drop flue evaporator. Evaporates 15-18 gph. 20"x 42" two cell sap pan and 20"x 24" three cell syrup pan. Sap pan has seven flues 7"D x 1/2" W x 40"L. Owned since 2011. Approximately 14 years old. Come see in operation in western Menominee county Michigan through mid April.