Mule Lighting’s P50 Exit signs are now available in acrylic and aluminum frames, to provide a more formal, front office look. Ever-Brite photoluminescent signs are the intrinsically safe, zero energy, environmentally friendly solution for marking your emergency evacuation routes. Engineered with photoluminescent material that absorbs and stores LED, fluorescent, metal halide or mercury vapor light, Ever-Brite signs create clear, brightly glowing egress pathways