Uniweld F31 Brass Adaptor from CGA520 "B" Tank to CGA200 "MC" Regulator</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>CGA520 "B" to CGA200 "MC"</li><li>Anticorrosive Brass</li><li>Proudly made in the U.S.A</li></ul></div></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/41FyqqbXAlL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/511Xj4RBnPL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41OtAk9rYnL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/51ElrDrGh2L.jpg' noproxy></br>