The 2 1/2 Inch Grommet is a versatile and practical solution for flush mounting sealed units with a 2 1/2 inch diameter. Available with or without a kit, the grommet fits most 3 inch mounting holes and is compatible with a range of Peterson lights. The kit includes a grommet, 142-49 plug, and grounding screw, making installation a breeze. Whether sold individually or as a kit, this grommet offers a convenient and reliable way to securely mount sealed units, providing a seamless and professional finish for a variety of applications.