Feature: 1. This micro regulating valve has a regulating knob and a psi dial to maintain accurate pressure. 2. Made of high quality aluminum material, it is durable, wear-resistant, corrosion-resistant and practical. 3. This CO2 regulator is small in size and easy to carry, allowing you to enjoy drinks anytime and anywhere. 4. Exquisite workmanship, tight thread, good sealing, gas is not easy to leakage, more convenient to use. 5. 3 / 8in to Tr21-4 adapter for EU, USA soda water cylinders. Specification: Condition: 100% Brand New Item Type: Gas Regulator Valve Material: Aluminum Pressure: 0-90psi Weight: Approx. 421g / 14.9oz Size: Regulator Height: Approx. 80mm / 3.1in (Not Include Adapter) Dial Diameter: Approx. 27mm / 1.1in Package List: 1 x Gas Regulator Valve3 x Accessory1 x Gasket1 x Wrench Note: 1.Please allow 0‑1 inch error due to manual measurement. Thanks for your understanding.2.Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.3.Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.