Provide crisp, defined MR16 quartz halogen illumination to any existing drywall ceiling with no above access with this airtight low voltage quick connect remodel housing. The airtight design offers energy savings by reducing the flow of air through the ceiling. High tension tempered steel springs secure remodel housings evenly to ceiling, while a hole cutout template is provided for convenience. Requires a minimum clearance of 3" from thermal insulation and 1/2" from adjacent building components. 3/8" to 1 3/8" ceiling thickness. For use with compatible Nora Lighting recessed lighting products.