This indoor/outdoor polycarbonate cover helps protect devices such as dual action pull stations, keypads for entry systems, intercom stations, emergency buttons, electrical light switches, duplex plugs, etc. The strong, durable construction takes the toughest knocks while it guards against accidental or intentional physical damage. This Universal Stopper is a clear, surface mount cover with a white conduit spacer. Other mounting options include a flush mount cover or a waterproof Type 4X enclosed back box. The cover is also available with a horn housing or message hood. The Universal Stopper is designed to comply with ADA and is less than 4 inches in depth. Universal Stopper has the same footprint as the Mini Stopper®, but has a larger interior and can accommodate most dual action pull stations. STI-13200NW FEATURES Protects against vandalism, accidental damage and damage caused by severe environments inside and outside. Protects pull stations, keypads, intercom stations, emergency buttons, electrical light switches, duplex plugs, etc. Cover is molded from thick, super tough polycarbonate material. Sized to fit most pull stations. Includes a white conduit spacer with two conduit knockouts. High strength continuous hinge. Low profile - ADA Compliant. Gaskets included. UV-stabilized to keep cover clear. No label on message hood. Typical working properties of polycarbonate are -40° to 250°F (-40° to 121°C). Three year guarantee against breakage of polycarbonate in normal use.