Description: 【Use】: This Flowmeter Regulator watch tube is a welding and cutting gas meter accessory, specifically a CO2 oxygen flow meter assembly and an argon flow meter assembly, suitable for various welding applications. 【Enhanced Durability】: Flowmeter Regulator Meter tube assembly flow meter is thickened to ensure durability and withstand high pressure. 【Material and Size】: Gas Welder Regulator Gauge is made of PP and metal materials, which is sturdy and durable with long service life. 【Measurement Range】: Gas Regulator has a wide measurement range from 0 to 25Mpa, providing accurate readings for your welding needs. 【Package Included】: Each package comes with a complete set of CO2 dioxygen flow meter assembly and argon flow meter assembly, ready to be installed in your system immediately upon arrival.         Size Chart: Measuring range 0 to 25Mpa Thread diameter is about 1.3cm/0.51inch Pagoda mouth thread 0.65cm/0.26inch         Package Includes: 1 Flowmeter Regulator Meter tube assembly Note: Please allow slightly errors due to manual measurement and different monitors.