SQUARELUX 4 appears as a 4” square illuminated glass surface coplanar with a gypsum board ceiling. No flange or trim is visible from below. A two-layer laminated glass lens sits flush with the ceiling line. An optional reveal in the glass outlines the floating lens. Fixture utilizes a single 120V MR16 50W lamp in the fixed downlight position. A layer of Solite with a back layer of clear borosilicate is the default lens. SQUARELUX 4 is designed for flangeless mounting into a gypsum board ceiling.