Gelid Solutions FN-FW12-15-B 120mm Case cooler. The WING UV Blue case fans are premium quality, UV reactive, ultra- quiet, dust and water proof cooling fans for gaming enthusiasts. This series features a unique bearing with winglet fans blades and low starting voltage. Only the highest quality materials have been used to manufacture this state-of-the-art cooling fan. Control the fan RPM speed according to your desire using the supplied voltage regulator. To add to the silence fan mounts replace traditional screws and are made of high quality, ultra-soft silicone which stop vibrations from the fan motor from traveling into your PC case.