Specifications:<br> Made of high quality material, the cylinder refill adapter is durable and practical to use.<br> This product fits home soda maker beverage machine.<br> It is safe and easy to control and also provide an inexpensive way to fill for soda at home.<br> <br> Item Name: Cylinder Refill Adapter<br> Material: Copper<br> Thread: TR21.4<br> Type(Optional): W21.8-14 to TR21.4/CGA320 to TR21.4<br> Style(Optional): without Bleed Valve+Gauge/with Bleed Valve/with Bleed Valve+Gauge<br> Features: Durable, Portable, Easy to Use<br> Tube Length: 50cm/19.68" (Approx.)<br> <br> Notes:<br> CGA320 is applicable to USA, Brazil, Colombia, Philippines.<br> W21.8 is applicable to KOR, Japan, UK, Germany, France, Poland, Norway, Switzerland, Russia, Ukraine, South Africa, Sweden, Chile, Czech Republic, Singapore.<br> Due to the light and screen setting difference, the item's color may be slightly different from the pictures.<br> Please allow slight dimension difference due to different manual measurement.<br> <br> Package Includes:<br> 1 x Cylinder Refill Adapter<br> Or<br> 1 x Cylinder Refill Adapter<br> 1 x Bleed Valve<br> Or<br> 1 x Cylinder Refill Adapter<br> 1 x Bleed Valve<br> 1 x Gauge