Aprilaire 4837 Repair Kit<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"> The Aprilaire 4837 maintenance kit is designed specifically for your Aprilaire 560 and 568 humidifier and includes all the supplies you need to maintain your Aprilaire humidifier each year </span></li><li><span class="a-list-item"> Aprilaire suggests replacing the 4837 maintenance kit before every humidification season， or every 12 months </span></li><li><span class="a-list-item"> The Aprilaire 4837 maintenance kit is designed to keep your Aprilaire 560， 560a and 568 humidifier operating like new! </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/512Z%2BpNFgxL.jpg" noproxy>