The low-pressure, stainless steel, Alpha Glass Working Torch. The Alpha is an excellent entry level burner, and perfect for glass bead artists. The Alpha delivers more flow at a low gas pressure producing the ideal glass working flame. Affordable and convenient, the Alpha is the only torch on the market today designed with your needs in mind. Do you work at home with low-pressure household natural gas? If so, the Alpha would be a dream-come true!] The Alpha will melt both soft and borosilicate glass with ease. The torch can also be used at the traditional flame settings of 5 psi gas and 20 psi oxygen. It works equally well with propane, natural gas and other fuels. All stainless steel construction that stays cool while the flame is super hot A unique design that allows for a higher volume of fuel at a lower inlet pressure- 7 cu. ft./hr. at only 2 psi Ideal to operate on household gas (1/4 psi) and oxygen concentrator (7 psi) Dims Base 6? x 6? Height: 5? Barrel Length: 4.75? 2.5 lbs. Face: 6 ? gas jets Star Design Oxygen Chamber Fuel Consumption: Propane Gas: 2 ? 5 psi; 3 LPM (180 LPH, 6.36 cu ft/h) Tanked Oxy: 8 ? 20 psi; 10 LPM (600 LPH, 21.19 cu ft/h) 200 BTU?s Per Minute Works: 19mm Borosilicate Rod 30mm Heavy Walled Tube