STI STI9625 Beam Detector Guard

STI STI9625 Beam Detector Guard to protect costly sensor units of beam type smoke detectors from damage leading to misalignment and false alarms. Eleven models are offered to protect the vital sensor units of projected beam type smoke detectors in large areas such as gymnasiums, warehouses and auditoriums. STI Smoke Beam Cages are designed to protect both transmitter and receiver sensors. All are backed by a three year guarantee against breakage in normal use.