Optimus U-32030 3.5 Gallon Warm Mist Humidifier with Wicking Vapor System<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"> 3.4 gallon tank capacity </span></li><li><span class="a-list-item"> Operates up to 12 hours on high </span></li><li><span class="a-list-item"> Automatic shut off when tank is empty </span></li><li><span class="a-list-item"> Extremely quiet operation - no bubbling or gurgling sounds </span></li><li><span class="a-list-item"> Variable humidistat and re-fill indicator light </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41KIJMyIyfL.jpg" noproxy>