Signify Luminaires Frame-In Kit, Round New Construction, Series: 4R, 120/277 VAC, 4-7/8 in Ceiling Opening, LED Lamp, 4 in Non-IC Insulation, Ceiling Mounting, For Use With: Calculite® Generation 3 4 in Downlight and Wall Wash, 4-7/8 in Height, 13 in Width, 10-3/8 in Depth, Stamped Steel Housing Material,