["Features\n1. High Quality -- Made of stainless steel material,more solid and last longer,heavy duty and perfect polishing make it used for longer and easier than ever to carbonate your beverages!\n2. Cost-effective Carbonation Tool -- Use it to counter pressure bottle fill PET bottles,gas (for grey) ball lock connectors, or liquid (black) ball lock connectors,more portable, convenient and cheaper than CO2 systems\n3. Used Easily -- Attaches to plastic bottles and connects to a gas side ball-lock disconnect in order to inject CO2 into the bottle, creating carbonation,your beer is available to drink almost immediately.\n4. Various Usage -- Carbonation caps can carbonate a number of beverages, including beer, soda, water, and juice,also can clean your beer line and to counter pressure bottle fill PET bottles\n\n\nSpecification:\nColor: White, Black\nMaterial: Stainless + Steel\nSize: As the picture\nQuantity: 1Set \n\n Note:\nSize for manual measurement, there may be a 0 to 2 for cm error, belongs to the normal phenomenon.\nAnd due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\n\nPackage includes: (Without retail package)\n1 x ball lock cap\n1 x Cap Carbonator"]