DraftSeal DS 177AN Panic Threshold – 5” Wide x 49″ Long – Extruded AluminumDS 177AN 48 Ideal for use with vertical rod exit devices Extruded aluminum 1 2 high with 7 8 high lip for vertical rod panic latch Black neoprene insert Supplied pre drilled and countersunk Furnished with # 8 x 1 1 2 Quadrex drive screws and plastic anchors UL and cUL listed WHI listed for 90 minute fire rated assemblies KN Crowder architectural equivalent is CT39