This new construction recessed light housing from Lightolier will bring a new look to your home. The housing features thermal insulation with a magnetic transformer mounted in the housing for easy installation. The AirSeal gasket makes it compliant with WSEC and MEC requirements. To be used with Lightolier recessed light trims. New Construction. Low Voltage. IC rated. 9" wide. 7 5/16" high. 15 1/2" long. 3 11/16" ceiling cut out.