It is a good quality regulator, made of aluminum and plastics, with fine durab,Mercy to use. Compact in size, but large enough to accommodate a very small regulator. 8mm Barb on disconnection, attach to the barrel and set the dispensing pressure using the CO2 line. It allows you to take with you to any outdoor barbecue, party or get together. You can give it a try. Features: Made of aluminum and plastics, with fine durab, Mercy to use. Lightweight and portable, it allows you to take any outdoor barbecue, party, or get-together with you. The premium adjustable charger is very compact but is large enough to accommodate a very small regulator.8mm barb on the disconnect, attach to the barrel and set the dispensing pressure using the co2 line. Do not use an adapter. Used for 21*4 thread T thread bottle. Specifications: Name: CO2 RegulatorMaterial: Aluminum + Plastics Thread: T21*4Soda T21*4 eu Product Size: 75*75*55mm/2.95*2.95*2, 17inProduct Weight: 294g/10.37ouncePackage Size: 117*105*73mm/4.61*4.13*1, 87inPackage Weight: 338g/11.92ouncePacking List:1*RegulatorMany questions about Dropshipping services are following:1. How many orders can you handle per day? We are a large company in Shenzhen, China, with a large warehouse that can handle large orders every day. We ship countless packages every day. We can guarantee the order you request.2. How fast can you process orders? We will arrange the shipment as soon as possible after you pay for your order. Priority delivery for dropshipping order3. Can you ship an order without any receipts, invoices and promotional offer inside the package? Absolutely! No invoices, receipts, promotional offer if you leave notes on the order (if you want, we can deliver.)4. If you need other products? We can supply most of the products you need as much as possible1If you have any other questions, please feel free to . We are very grateful for your cooperation with you.5. We can support Dropshipping of CSV/Excel files.6. There is no limited inventory to fulfill orders on a daily basis