Dimmable, High Lumen Recessed Troffers, and Volumetric Troffers for industrial, office and commercial applications. Sealed Face Troffers for clean rooms, food processing and bottling facilities. 1×4, 2×4 and 2×4 housing sizes for lay-in or hard ceilings. All fixtures arte MADE in the USA and BAA Compliant. All of 1 Source LED's LED recessed fixtures are low voltage and/or line voltage capable.