Safety Technology International, Inc. STI-13010FR Universal Stopper, Flush Mount and Fire label, Indoor/Outdoor Protective Polycarbonate Cover for Pull Stations or Call Points Indoor outdoor cover protects against vandalism and accidental damage Protects pull stations keypads intercom stations emergency buttons electrical light switches duplex plugs etc Cover molded from thick tough polycarbonate material. Maximum protrusion is 4 inches deep High strength continuous hinge UL/CUL listed, ADA Compliant