National marker wet zone shadow board, yellow/blue,68 x 30, acp, aluminum composite panel – sb123acp many manufacturing and food processing facilities are implementing 5s shadow boards to help reduce cost and down time by keeping cleaning supplies (and other tools), in a central location, neatly stored, and always accessible. features: ideal for basic maintenance and organizational use includes shadow board and hardware for mounting tools designed for vikan brand tools (sold separately): tank brush, 24′ single blade squeegee, long handle scrub brush, large hand brush, and 3 gallon bucket. lightweight, dual-layered aluminum with plastic core protected by sign muscle liquid laminate temperature range of -60 to 180