Caution Sign Sign Subject Matter Chemical Gas or Hazardous Materials Height 10 In. Width 14 In. Sign Material Recycled Plastic Sign Mounting Style With Mounting Holes Header Caution Legend Carbon Dioxide Gas Can Cause Injury Or Death. Ventilate The Area Before Entering. A High Carbon Dioxide Gas Concentration Can Occur In This Area And Can Cause Suffocation. Printed Language English Sign Shape Rectangle