First Need Xle Elite Purifier<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"> Product Weight 16 oz. </span></li><li><span class="a-list-item"> Cartridge capacity: 180 gal. </span></li><li><span class="a-list-item"> Output: 2 qt/min. </span></li><li><span class="a-list-item"> No iodine needed </span></li><li><span class="a-list-item"> Self-cleaning pre-filter and gravity assist system included </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/4190I3XuYjL.jpg" noproxy>