Salamander Designs SA/XR40/AC Active Cooling Extended Rear Panel<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Constructed of heavy-weight black powder-coated steel with ventilation louvers. </span></li><li><span class="a-list-item"> Adds additional 3.5" to the inside depth of cabinets. </span></li><li><span class="a-list-item"> Thermostatically controlled cooling system turns on at approx 80 degrees F， maximum speed is reached at 95 degrees F. </span></li><li><span class="a-list-item"> Quiet (22 dBA) dual- 120 mm fan </span></li><li><span class="a-list-item"> Cannot be used in conjunction with Chameleon TV mounts </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41SBLvS5E2L.jpg" noproxy>