Home built 2.5 x 4 evaporator made out of old oil tank and it's on wheels. Pan is a 2.5 x 4 divided flat pan with stainless draw off valve. Oil tank is lined with 2.5" arch board and stack is galvanized stove pipe. Nice little back yard unit you can wheel in and out of storage for easy boiling. Price is negotiable. Local pick up only I will not ship