Can be installed from below the ceiling in home remodel applications, ideal for those who have limited or no access to their ceiling For use in non-insulated ceilings or insulated ceilings where insulation is kept at least 3 in. from all sides of the recessed light fixture Air-Tite rated design meets restricted air flow code requirements which prevents airflow between attic and living areas and saves on both heating and air conditioning costs Has four remodel clips which secure the recessed housing and accommodates 1/2 in. and 5/8 in. ceiling material Compatible with a wide variety of 4 inch Recessed light trims but is best with Halo 999, 998, 993, 992, 990, 953, and 951 series models Slide-N-Side Junction Box: connectors allow non-metallic sheathed cable for both U.S. and Canada to be installed without tools High performance E26 Series 4 inch Recessed light trim options available Socket bracket adjusts lamp to various trim styles and designs Three Quick Connect connectors eliminate the need for separate wire nuts - simply strip supply wires and push in Features an integral thermal protector to guard against misuse of insulation materials and improper lamping