Noiseblocker NB-BlackSilentFan XL-1 120mm x 25mm Ultra Quiet Fan， 1000 RPM， 13dBA<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"> Original Noiseblocker Quality The fan is extremely quiet， reliable and fail safe </span></li><li><span class="a-list-item"> The Blacksilent is designed carefully to not only last for a long time but to remain nearly silent during that entire life </span></li><li><span class="a-list-item"> The ultra quiet and extremely long lasting NB-Longlife advanced sleeve bearing uses modern engineering and materials </span></li><li><span class="a-list-item"> Inexpensive &amp; Cool </span></li><li><span class="a-list-item"> Rubber Mounting Screws Included </span></li><li><span class="a-list-item"> Its matched with the high quality NB-EKA drive with a wear and loss rate of an unbeatable 0.01% </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51eJ9OhDK3L.jpg" noproxy>