Use this OSHA-format CAUTION sign to make your Fire Extinguisher message clear to employees and visitors. Sign design conforms to OSHA 29 CFR 1910.145 standard for header style, text format and header color. It is manufactured on plastic material with rounded corners and 4 mounting holes for easy installation. It is printed in color with a white background and English text. This sign resists chemicals, abrasion and moisture and is suitable for use at temperatures from -40 to +176 F. ComplianceSigns signs and labels are made-to-order in the USA and commonly used in industrial, commercial, public and private settings. Full sign text is: D-CLASS FIRE EXTINGUISHER FOR USE ON COMBUSTIBLE METALS