The Beam Smoke Damage Stopper® with flush mount application helps protect beam type smoke detectors against vandalism and accidental damage. Constructed of 9-gauge steel wire with corrosion resistant white polyester coating, this wire guard is ideal to protect beam type smoke detectors in large areas such as gymnasiums, warehouses and auditorium. It is designed to protect both transmitter and receiver sensors. Installation is simple with anchors and screws provided. The wire guard is backed by a three year guarantee against breakage in normal use.