NMC 0.050 rigid plastic OSHA sign. OSHA signs are the perfect way to alert your employees and guests when a hazard is present in your facility. Keep your facility safe with an OSHA regulated sign. It prevents an accident. These OSHA signs comply with OSHA 29 CFR 1910.145. Indoor/outdoor use. Mounting: yes. Good chemical resistance. Maximum temperature: 183 degrees F. Measures 14-inches length by 10-inches height. Spanish caution sign. Legend "CUIDADO RESPIRADOR REQUERIDO EN ESTA AREA".