Self-luminous exit signs from Grainger require no electricity and have no lamps or batteries to replace. Phosphor-coated, tritium-filled glass tubes help provide worry-free emergency lighting for up to 20 years. These vibration-proof, spark-free units can withstand extreme temperatures and work well for damp, wet and explosive-atmosphere environments. Choose the type and size that fit your application. Trust Grainger to supply dependable, energy-saving self-luminous exit signs. Shop now!
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