Source Tactical Helix High-Flow Bite Valve<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> Round bite valve for easy drinking at any angle; compatible with Quick Mate Technology (QMT) </span></li><li><span class="a-list-item"> Delivers high water flow with minimal bite pressure </span></li><li><span class="a-list-item"> 90-degree design allows the tube to be shorter to minimize excess tubing </span></li><li><span class="a-list-item"> Dirt-Shield protective cover keeps valve free of dirt， sand， dust， and pollution </span></li><li><span class="a-list-item"> Compatible with Quick Mate Technology (QMT) such as UTA and other Source accessories </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31qDPA4TFAL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41U8eZvB5FL.jpg" noproxy>