Twin Bubble Airlock with Universal Orange Carboy Cap</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Cap for 3， 5 & 6 Gallon Carboys</li><li>Twin Bubble Airlock</li><li>Not For Use With Better Bottles</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/319exTJaYPL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/31no3OXeTVL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/31GOcFQRwbL.jpg' noproxy></br>