From Lightolier comes this low voltage remodel recessed light housing. Includes a magnetic transformer. Designed for use in non-insulated areas. If installed where insulation is present, the insulation must be pulled back 3" from all sides of the housing. The cylinder shown is for illustration purposes only. To be used with Lightolier recessed light trim. Remodel housing. Low Voltage. Requires 3" spacing from insulation. 12 5/8" wide. 5 7/8" high. 3 3/4" ceiling cut out.