Carbon fiber infrared heating lamp One tube :10/12/14/15mm Twin tube: 23X11/33X15mm Desings as your demands long heated lg Applications of infrared radiation heating emitters:Can be used in almost all the industries where heating is needed: printing and dyeing, food, electronic, medicine, spin, timbering, paper industry, auto, plastic, fitment, shoemaking, metal, heat treatment, packing mechanism ...