Humidifier Bottle Valve Cap Moistair Emerson Essick Kenmore 509229-1 / 822419-2<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"> Replacement Part #'s: 509229-1， 822419-2 </span></li><li><span class="a-list-item"> 1 Bottle Cap Included </span></li><li><span class="a-list-item"> Genuine MoistAir Original Equipment </span></li><li><span class="a-list-item"> Approx Outside Diameter: 1.625" </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41DcRMcl7TL.jpg" noproxy>