Nora Lighting NHIC-6G24ATFL 6" IC Air-Tight GU24 HousingNORA Lighting NHIC 6G24ATFL NHIC 6G24ATFL Product Description 5 GU24 Compact Fluorescent IC Airtight housings offers affordable solutions for energy savings in insulated ceiling environments. NO ballast are required for GU24 lamps, as the ballast is incorporated into the lamp itself, which means the end user can select the wattage by simply changing the lamps. Rated for direct contact with thermal insulation and meets air tight (AT) standards. IC