If you are looking for a professional and affordable nitrogen flow indicator, then your research is over here. That's because our product can meet your need. Adopted of durablematerial, it is practical and durable for long time use. It is easy to use and bring you much convenience. Features - Color:Assorted. - Material:PPE. - Size: About 16.50X6.00X5.00cm/ 6.48X2.36X1.97inch. - Applicable scope: 0-25mpa.- Standard diameter: 1/4PT 0.15MPA 7mm.- With the range of 0.15MPa, it can be applied on multiple occasions.- The practical measuring meter is suitable for measuring carbon dioxide and argon.- The argon regulator is made of sturdy PPE material, lightweight and durable.- The working performance of this argon regulator is table and of high reliability.- The method of using is simple and will not take you too much time.Packing list: 1 x Carbon Dioxide Gas Flow Regulator