We provide the Thermal Smoke Detector as a fixed unit or by combining fixed with the rate of rise units. The Thermal Smoke Detector is specially designed to be used in places having high levels of airborne contamination. FeaturesResistance to impuritiesSuperior qualityUL listed, FM approvedApollo system sensor EST sensor availableDust tolerant chamberOptimum detection performanceReliable performanceLesser nuisance alarmsEasy to install Ideal forBarsKitchens