The Nora Lighting Iolite 1 Inch New Construction LED Housing offers an aluminum IC and airtight construction housing for minimum light leakage and maximum cost-saving ability. Features an LED driver mounted on the bracket with over 80% of energy-saving usage. The Iolite 1 Inch New Construction LED Housing is dimmable and includes 24.5 hanger bars with alignment feet nail and scooted for T-Bar installation.