Mes Christmas Tree Oxygen Connector<div style="text-align: left;"><strong>[Product Information]</strong><ul><li class="showHiddenFeatureBullets"><span class="a-list-item"> Adapter that connects oxygen supply tubing to standard oxygen systems， cylinders and related products. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/21ekiDO7v2L.jpg" noproxy>