Warning Sign Sign Subject Matter Chemical Gas or Hazardous Materials Height 7 In. Width 10 In. Sign Material Recycled Aluminum Sign Mounting Style With Mounting Holes Header Warning Legend The Use of Compressed Air In Excess of 30 P.S.I For Cleaning Purposes Is Unlawful Do Not Remove Or Alter This 30 P.S.I. Nozzle Printed Language English Sign Shape Rectangle