Pro Tec Extended Life Humidifier Filter， 2 Pack<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"> Protec WF2 Extended Life Replacement Humidifier Filter </span></li><li><span class="a-list-item"> Formerly Kaz WF2 Extended Life Replacement Humidifier Filter </span></li><li><span class="a-list-item"> Fits Model V3500 </span></li><li><span class="a-list-item"> Fits Model V3100 </span></li><li><span class="a-list-item"> Fits Model 3020 </span></li><li><span class="a-list-item"> Contains 1 filter / pack </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51cWxcn4JYL.jpg" noproxy>