This burner features a removable nozzle with perforated tip and orifice designed to aim a large, hot, pointed flame in a modified M.I.T. pattern with great accuracy. A universal ball joint positions the flame easily for working large pieces of hard glass. Separate needle valves with leak-proof packings are used to control the flow of gas and air/oxygen in the mixing chamber. All gases are usable. The mixing tube accommodates standard burner H-5110 and H-5115 standard burner heads, see page 6. Brass construction. Specifications: • Gas type: Artificial, Natural and LP • Inlet OD: 3/8" (10mm) • CFH*: 20 (16 with LP) • BTU Output*: 20,500 (39,040 with LP) • Overall Height: 10-3/4" (273mm) *Note: CFHs and BTU Outputs are figured on: 5 inch Water Column Pressures for Artificial and Natural Burners. 11 inch Water Column Pressures for LP Burners.