The 3000 Series Mini-Housing Features Miniature housing for use with all 3000 series trims.Overall Diameter = 3-7/32"Inside Diameter = 2-3/8"Ceiling Cut-Out = 2-1/2" DiameterHeight = 3-1/4" Application Use this housing when space is an issue.Less than 4" high, this housing fits where other housings will not.Snap-In Installation Notes: The trims that accompany the 3000 series housings are rated for 35 watt maximum lamps and must use a Class 2 Installation. Clearnence Must have a 3in clearence around and above this housing.