Features: All stainless-steel construction that keeps the torch cool while it is in use A unique design that allows for a higher volume of fuel at a lower inlet pressure Ideal to operate on household gas (1/4 psi) and oxygen concentrator (7 psi) Lifetime Factory Warranty The Bethlehem Burners Star glass blowing torch is built for artists working with larger glass forms who want more heat without extra oxygen equipment. Its surface-mix design and stainless-steel build allow it to stay cool while in use. The lampworking torch has a configuration which provides greater fuel flow at lower pressure, making it compatible with household gas and an oxygen concentrator. Designed to handle 22 mm boro rods and 36 mm heavy-walled tubes, the glass torch combines high-volume flame capacity with precise fuel efficiency, making it suitable for producing 2" marbles and larger beads. It comes with a swivel base, cleaning kit, and factory-backed lifetime warranty. The Bethlehem Burners Star glass blowing torch balances heat, fuel economy, and strength. Specifications: Burner configuration: 6 center gas jets inside a star shaped oxygen chamber 5 outer fire gas jets surrounded by 15 additional oxygen ports Full flame consumption: Propane Gas: 2 – 5 psi; 5 LPM Tanked Oxy: 8 – 20 psi; 20 LPM 200 BTU’s Per Minute Works: 22 mm Boro Rod 36 mm Heavy Walled Tube Dimensions: Base: 6″ x 6″ Height: 6″ Barrel Length: 5.125″ Face Diameter: .75″ Net Weight: 3 lbs. Includes: Lifetime Factory Warranty Instructions Bethlehem Burners Cleaning Kit Swivel Base