Safety Technology International， Inc. STI-9604 Steel Web Stopper， for Mini Smoke Detectors， Flush Mount， Protective Coated Steel Wire Guard<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"> UL Listed protector for areas where abuse to smoke detectors is severe </span></li><li><span class="a-list-item"> Patented weblike octagon shape of 9-gauge coated steel wire makes it extremely difficult to break </span></li><li><span class="a-list-item"> Simple removal for servicing of smoke detector </span></li><li><span class="a-list-item"> Fast and easy installation </span></li><li><span class="a-list-item"> 3 year guarantee against breakage in normal use </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51PCvhaX4zL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41zP5M3ic3L.jpg" noproxy>