This easy-to-read rescue / refuge area sign is manufactured with rounded corners and four 0.20-inch mounting holes for easy installation. The white background clearly displays English text, printed in color. Each plastic sign has a clear protective laminate to make your emergency response message clear. This sign is chemical, abrasion and moisture resistant and is suitable for use at temperatures from -40 to +176 F. ComplianceSigns.comsigns and labels are made in the USA and commonly used in industrial, commercial, public and private settings, indoors and out. Full sign text: EMERGENCY AIR HORN