Description: 【Use】: This Flowmeter Regulator watch tube is a welding and cutting gas meter accessory, specifically a CO2 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 long service life 【Measurement Range】: Gas Regulator has a wide measurement range adjustable range 1-25 l/min, providing accurate readings for your welding needs 【Package Included】: Each package comes with a complete set of flow meter assembly, ready to be installed in your system immediately upon arrival Specification: Material: Metal and PP Barb connector: 7mm Thread:G3/8 Pressure: 0.35MPA Adjustable range: 1-25 L/Min Temperature: 20°C Size Chart: 16.5cmx6cmx5cm/6.50inchx2.36inchx1.97inch Package Includes: 1 Gas Flow Meter Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.