National marker wet zone shadow board, yellow/blue,68 x 30, pro series acrylic – sb123fg 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: designed for food processing and washdown environments. 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. pro series acrylic with subsurface ink that will not chip, peel or deteriorate. temperature range of -30 to 190