Caution This Room Is Protected By Halon Fire Extinguisher System Sign, Protect your property with fire safety signs, fire extinguisher signs, and fire exit signsTake control of an emergency situation by being prepared. Fire safety signs are designed to direct attention when it matters most. Identify fire extinguishers in your facility with a bright red eye catching sign. Fire extinguishers are an essential part of any fire prevention program. Properly mark emergency equipment. These economical, affordable signs save precious time in an emergency situation. We offer you a large range of high quality OSHA compliant fire safety signs for your facility.