The T-BAR LED^® for partially concealed grid systems is a new extrusion design by JLC-Tech. This product was especially designed to be compatible with Armstrong^® Ceilings’ Vector^® tiles and grid suspension systems. The elongated spine on the extrusion allows for the installation of the special tiles that partially conceal the grid from view. This modified T-BAR LED is compatible with Optima^®, Ultima^®, Calla^®, Lyra^® Vector^® tiles with 1/4” partially concealed reveal.