Honeywell Demineralization 2-pk Cartridge for Humidifier HUT 200 Series (Set of 3 Packs)<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="" 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"> 2 filters per box， 3 boxes total </span></li><li><span class="a-list-item"> Helps neutralize minerals in water to prevent "white dust" </span></li><li><span class="a-list-item"> Replace a cartridge every 20-30 fillings </span></li><li><span class="a-list-item"> Compatible with Honeywell humidifer HUT-200 and HUT-220 series </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51j1m73JGbL.jpg" noproxy>