Features: There is an elliptical grooves inside the thread to accommodate the convex washer of the pressure reducing valves. All brass integrated sandblasting process production, with switch identification, easy to operate. Widened and enlarged anti slip handwheel, easy to install, easy to tighten, and no air leakage. The three-way valves is divided into two channels, with highs air pressure and sufficient air output. It can be connecting to two pressure reducing valves at the same time to solve the problem of insufficient air flow. Its powerful flame intensity ensures efficient cooking every time. Seamless edge pressing process, resistant to high pressure, preventing the handle from falling offs. Specifications: Material: Brass Material of Gasket: Rubber Interfaces: Standard Gases Bottle Interfaces Scope of Use: Only for Gas Tanks Weight: 157.2g Size: Approx. 3.15inch(8cm) Package Includes: 1x Gas Bottle Three-way Valve note: Please allow 1-2cm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.