Datasheet for the System Sensor InnovairFlex Duct Smoke Detectors, published in 2015. Document No: HVFL70901. 9 models including D4120, DUCTSD and D4120W. Product features and technical specifications.

Datasheet for the System Sensor InnovairFlex Duct Smoke Detectors, published in 2015. Document No: HVFL70901. 9 models including D4120, DUCTSD and D4120W. Product features and technical specifications.