Lithonia Lighting’s BLT Series 2x4 Low Profile LED Troffer brings clean, cool white illumination (4000K) and dependable performance to drop ceilings. The popular center-basket style with a curved, ribbed diffuser delivers 4000 lumens of comfortable, uniform light—ideal for offices, classrooms, corridors, and more. Its slim 2-3/8" depth slips easily into tight plenums, while integral T-bar clips help secure the fixture to the grid. Built to last, the die-formed housing features a proprietary paint finish and an impact-modified acrylic diffuser for durability. MVOLT (120–277V) and 0–10V dimming to 10% provide flexible control. Damp-location and IC rated, CSA Certified, and backed by a 5-year limited warranty. This is a great ceiling lighting solution for gyms, shops, and offices. It is a clean, versatile troffer from a trusted brand that elevates everyday spaces with efficient, comfortable light.