Halo H5RT 5 Line Voltage Remodel NonIC Recessed Housing is thermally protected and designed for use in noninsulated ceilings. The Halo H5RT 5 Line Voltage Remodel NonIC Recessed Housing can be used in insulated ceilings but the insulation must be kept at least three inches from all sides of the housing. The Halo H5RT 5 Line Voltage Remodel NonIC Recessed Housing snaps into the trim to keep the position of the lamp consistent. The Halo H5RT 5 Line Voltage Remodel NonIC Recessed Housing has the Halo name embossed on plaster from galvanized steel construction.Note: May be used in insulated ceilings but insulation MUST be kept 3 from all sides of housing.For use with 5 Inch Recessed lighting Trims