Household Soda Cylinder Adapter Homemade Beer Barrel Regulator W21.8 to TR21.4

Features: Made of high-quality zinc alloy material, it is durable, wear-resistant and corrosion-resistant. The thread of this adapter is TR21.4 (6ACME-6G), which is easy to use and install. Professional manufacturing, exquisite workmanship, stable performance, high reliability, long-term use. Convertible to DIN477 / JIS m22-14 / BS 341 No. 8 / W21.8-14 / 860in x 1/14 (including UK, Europe and Asia). This is ideal accessory that connect a soda cylinder to your existing Aquarium Fish CO2 tank regulator or homebrew beer keg mini regulator. Specification: Condition: 100percent Brand New Material: Zinc Alloy Thread: TR21.4 (6ACME-6G) Weight: Approx. 35g / 1.2oz Size: Height: Approx. 3.6cm / 1.4in Bottom Diameter: Approx. 2.7cm / 1.1in Package List: 1 x Cylinder Adapter 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 ording.