The Brady Pipe Marker for Compressed Air is a self-adhesive vinyl pipe marker that identifies compressed air lines. It has a legend that reads "Compressed Air" in black text on a yellow background. The marker is 6" tall x 18" long and has an aggressive adhesive that adheres to PVC, iron, stainless steel, aluminum, and other smooth surfaces. It meets ANSI A13.1 and NFPA 99 standards for pipe marking and helps identify compressed air lines for safety purposes. The marker resists UV light, abrasion, chemicals, oil, and moisture. It can withstand temperatures from -40°F to 176°F.