Our 4' x 8' x 8' steel stud constructed ovens Perfect for the economical coater with professional results. This equipment is made sturdy and durable with 4" steel tube with 4 inch rock wool insulation sheeted with G90 galvanized sheet metal. The temperature probe is built into the inside wall of the oven to prevent damage. These ovens arrive at your facility set up, tuned and ready to cook once the gas is ran and power is wired in by a licensed contractor.