Dowel -Gas Hose Valve Highlights Generic Brand Gas Hose Valve Description: Made of solid brass material, easy to damage and aging, durable and safe for use. Compatible with 20mm pipe. Feature: Male Brass Thread, Plastic Coated Handle. Working environment: natural gas, liquefied petroleum gas, oxygen and other gas pipelines. Suitable for city gas pipeline network system, liquefied petroleum gas, natural gas, oxygen and other gas pipelines. Specification: Material: Brass Length: 90mm / 3.54inch Screw Diameter: 20mm / 0.79inch Package Include: 1 Piece Connector Note: As the size above is measured by hand, the size of the l item may be slightly different from the above size. Due to lighting effects, monitor settings etc. There could be a slight difference in the color tone of the pictures and the actual item.