The Open Back Grommet for 2.5 Inch Lights is a practical and versatile solution for your lighting needs. With its black PVC housing and open back design, this grommet is not only durable but also easy to install. Measuring 3.5 inches wide by 3.5 inches tall by .93 inches deep, it fits most makes and models, making it a convenient choice. Sold individually and designed for recess mounting, this grommet offers a reliable and efficient way to enhance your lighting setup.