Katadyn Guide PRO Filter Replacement 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"> Anti-clog， pleated glass-fiber </span></li><li><span class="a-list-item"> Purr scout purifier </span></li><li><span class="a-list-item"> Pure guide filters </span></li><li><span class="a-list-item"> Genuine OEM Product </span></li><li><span class="a-list-item"> Remove cysts， bacteria， sediments </span></li><li><span class="a-list-item"> The fastest microfilter - 1.5 liters/minute </span></li><li><span class="a-list-item"> Highest water output - perfect for individual and group trips </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">Removable field cleanable filter protector extends cartridge life in challenging conditions</span></li><li><span class="a-list-item">Upgrades old Guides to allow field cleanablity</span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31C57H7YN1L.jpg" noproxy></div></div>