Katadyn Replacement Carbon Cartridge<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"> Simple-to-use </span></li><li><span class="a-list-item"> Reduces chemicals and bad taste from water </span></li><li><span class="a-list-item"> Connects to water bottles </span></li><li><span class="a-list-item"> Genuine OEM Product </span></li><li><span class="a-list-item"> Bottle adaptor and outlet barb with replaceable activated carbon cartridge </span></li><li><span class="a-list-item"> Reduces chemicals and improves taste of treated/filtered water </span></li><li><span class="a-list-item"> Adapter connects to all popular water bottles </span></li></ul><!--   Loading EDP related metadata  --><div aria-live="polite" class="a-row a-expander-container a-expander-inline-container"><div aria-expanded="false" class="a-expander-content a-expander-extend-content" style="display: none;"><ul class="a-unordered-list a-vertical a-spacing-none"><li><span class="a-list-item">Can be used with most water filters</span></li><li><span class="a-list-item">Barb fits bite valve of most hydration packs for easy filling</span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41dzVNj%2BV5L.jpg" noproxy></div></div>