Pipe Marker Legend Sodium Hypochlorite Legend Color Black Background Color Orange Fits Pipe O.D. 8 in and Larger Height 4 In. Width 24 In. Material Plastic Marker Attachment Style Fiberglass Carrier Language English Self-Adhesive Yes Indoor/Outdoor Usage Indoor/Outdoor Operating Temp Range 0 Degrees F Character Height 3-1/2 In. Markers per Card 1 Standards ANSI A13.1-2007 Pipe Marker Subject Matter Acids Bases Length 24 In. Flow Direction Arrow Left