Neytech 9493303 Vulcan Muffle Furnace, 130 cu in, 3-Stage programmable; 230V 3.2Qt/3L, White Color, Plastic Basket, 110V 3.3 out of 5 stars 30. slide out for quick replacement vertical lift door directs heat away from user and saves counter space suitable for wax burnout, ashing, heat treating, ceramic and glass seal firing.