Profile: MSA is a manufacturer of safety products. We are an ISO 9001 certified company. Our brands include Altair™, Orion™, Solaris™, Ultima™, FlameGard™, Chillgard™ and Quad Gas™. Our products include air-purifying respirators, air respirators, gas detection instruments, thermal imaging cameras, fire helmets, industrial gas masks, body armor, head, eye, face & hearing protection and fall protection. Our Flexi-Filter® is built around a plastic frame, which forms a plenum through which the air flows. The filtration media is a composite of multiple-layered materials, which vary, according to the class and efficiency that are required. Our Tankscope® combustible gas indicator is a single-gas instrument, which is used for detection of flammable gases or vapors.