C3MRGA Calculite Evolution 3 inch Glasslite Adjustable Trim features a one piece borosilicate glass with internal flange, etched interior and white ceramic coated exterior. Includes high temperature clear lens cover glass. Provides 0-45 degree vertical tilt up to 1 inch thick ceiling. 30 degree maximum tilt in ceilings 1.25 to 2 inch thick. One 12 volt, GU5.3 MR16 halogen lamp is required, but not included. Lamp wattage dependent on frame-in kit/trim combination. UL listed for wet locations. Suitable for shower and other wet environments. A complete fixture includes a frame-in kit and a trim kit, sold separately.