The 2 FT. X 2 FT. BLT Low-Profile Recessed Led Lay-In By Lithonia Lighting Is What You’Ve Come to Expect From The Leader In Lighting. With Its Endless Options and Configurations, BLT Provides The Versatility You Need At A Value That Can’T Be Beat. With A Curved, Linear Center Element, The BLT Provides A Consistent Look and Performance Throughout The Entire Application and Replaces Fluorescent Fixtures to Optimize Led Savings.