FINELITE HP-WS-4W-2D-23-B-835- SW-277-TR-SC-LUT-ES-FE-L-FE-R-SF HIGH PERFORMANCE PERIMETER SLOT 4" WIDTH 2" DEPTH 23' BOOSTED STANDARD 80 CRI 3500K SIGNAL WHITE 277V THREADED ROD SINGLE CIRCUIT LUTRON ECOSYSTEM FLAT ENDS LEFT AND RIGHT SPACKLE FLANGE