Air Innovations FILTER-HUMID-1 Humidifier Demineralization Filters - single<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"> Filter will last up to 90 days depending upon usage and water quality </span></li><li><span class="a-list-item"> One individual filter </span></li><li><span class="a-list-item"> Demineralization filters work with most Air Innovations humidifier models </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41GMtSxLKiL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51bL01WND5L.jpg" noproxy>