The E4TATSB is a non-IC Air-Tite housing optimized and listed for EISA compliant tungsten-halogen lamps, CFL and LED lamps, as well as incandescent. Housing features an adjustable socket bracket, and is suitable for residential or commercial applications. Installation in non-insulated ceilings with air-tite code compliant construction. If insulation is present it must be kept 3 in. from all sides of the housing. May be retrofit with compatible Halo LED lighting systems.