Ventilate The Area Before Entering.
Caution Sign, 10 in H, 14 in W, Rectangle, English, 106052 A High Carbon Dioxide Gas Concentration Can Occur In This Area And Can Cause Suffocation.., Printed Language English, Sign Shape Rectangle Caution Sign, Sign Subject Matter Chemical, Gas or Hazardous Materials, Height 10 in, Width 14 in, Sign Material Aluminum, Header Caution, Legend Carbon Dioxide Gas Can Cause Injury Or Death.