Features: This nitrogen blow out tool ensures stable airflows for HVAC systems, eliminating oxidation risks and extending equipment life with brass construction. Features a rapid G1/4" connectors for 10 second setups, all metal durability, and three operational mode (rinse/solder/close) to replace complex dials, optimizing workflow for professional. Ideal for HVAC technicians, automotive repair specialists, requiring reliable nitrogen flows control during maintenance, soldering, or equipment cleaning tasks. Perfect for purging pipelines, cleaning electronic components, or safeguarding metal fittings during HVAC installations, welding projects, and industrial machinery upkeeping. Enhances safety with automatic pressure release valves and ergonomic knob design, this nitrogen regulator HVAC tool combines user friendly operation with ruggedly brass reliability for demanding environment. Specifications: Component:Brass Size: Approx.3.75x3x2.95cm/1.48x1.18x7.49inch Package Includes: 1pcs Nitrogen Regulator Tool note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.