Looking for something different and one of a kind in an A/C Vent? Classic Auto Air has come out with a true engineering marvel made from top-notch materials. The RA7 Air Conditioning vents are designed to give your dash the one of a kind feel you are looking for. You can feel the quality of the precision engineering and CNC machining in your hands. With a precision CNC machined 6061/T6 aluminum body construction these vents are high quality. These A/C Vents have a 2.75″ in. Outside Diameter and are simple to install. Drill a 2.25” hole in the desired location place vent through the hole and tighten the hose adaptor on the back. Most likely the simplest install on your vehicle you will have.