We are offering bunsen burner. 1) body made with complete s.s (stainless steel) regulator box is m.s (mild steel)powder coated 2) heating elements is a1 kanthal 3) 0 maximum surface temp. 800°c. Temp. 4) controlled by energy regulator. 5) easy to repair 6) 230 volts 500 watts single face 7) insulation in with ceramic blenket wool