ComplianceSigns Vertical Aluminum Oxygen Argon/Co2 Sign, 14 X 10 in. with English Text, Yellow Aluminum carbon dioxide sign makes your gases message clear Printed on 14 x 10 in. sturdy enamel-coated 40-mil aluminum with clear protective laminate Rounded corners have 0.20-in. mounting holes for easy installation Resists UV, chemicals, abrasion and moisture for long life. Use indoors or out Made in the USA. Ships fast from our plant in Chadwick, Illinois