[High-Quality Material] The hose is braided from High-Quality Material and tightly connected with 100% solid fittings. It has good air tightness, 3000PSI working pressure, strong and , safe and reliable. The filling adapter is equipped with a pressure gauge and two valves (for filling and venting), making it easy and safe to use. [Note] If the vial thimble is too thick or short and cannot be inflated, and the hose expand, please replace the bottle with a thin thimble. The large carbon dioxide tank should have sufficient pressure. If there is no siphon or liquid carbon dioxide tank in the tank, the CO2 tank needs to be inverted to inflate. [Model Specifications] Soda filling adapter used for large CO2 tanks to inflate soda machine cylinders. The inlet thread is CGA-320 (G1/2) and the outlet thread is TR21-4. It is suitable for most CO2 cylinders (not suitable for other than CO2 cylinders other than TR21-4 or spring lock designs) [Easy and Convenient to Use] Our product can reactivate your idle empty carbon dioxide cylinders. It provides a better air seal and 't transfer odors to the soda. Reuse can more costs. [Inlet Thread] The filling adapter can be used to fill from larger CO2 tanks to small CO2 tanks. The filling adapter is [US CGA-320 (G1/2)]. It is only suitable for the and Canada. It is not suitable for the United Kingdom and the United Kingdom. Germany and other countries, if you are giving it as a gift, be sure to say so clearly., Weight: 1.26655569519 Pounds, Manufacturer: Frewurwer