Source Tactical Universal Tube Adapter for Hydration Systems<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"> Fast hydration refills through the drinking tube without the need to remove systems from the user's back </span></li><li><span class="a-list-item"> Fits a variety of water bottles and indoor/outdoor taps and faucets </span></li><li><span class="a-list-item"> Expands when reservoir is full and automatically disconnects if reservoir is accidentally overfilled </span></li><li><span class="a-list-item"> Constructed of anti-bacterial TPE polypropylene </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41PupWAByzL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31buYj6TYkL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/410XLf8WETL.jpg" noproxy>