• Detectors - System Sensor Innovairflex 4-wire Duct Smoke Detector D4S Photoelectric 3ft Tube
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System Sensor Innovairflex 4-wire Duct Smoke Detector D4S Photoelectric 3ft Tube

System Sensor Innovairflex 4-wire Duct Smoke Detector D4S Photoelectric 3ft Tube

HK$1,430.00
HK$1,430.00
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D4240 photoelectric duct smoke detectors are 4-wire detectors that feature pivoting housings that fit both square and rectangular footprints and mount to round or rectangular ductwork.

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