Edwards EST 757A-WB-W 02//02 The Edwards SD-T36 36-inch Sampling

The Edwards SD-T36 36-inch Sampling Tube supports accurate and efficient smoke detection in HVAC ducts up to 36 inches wide

no remote relay

Silent Knight SD505-DUCTR is an addressable Duct Smoke Detector with Relay

White with red "FIRE" lettering

Edwards EST 757A-WB-W 02//02 The Edwards SD-T36 36-inch SamplingIntegrity temporal horns and temporal horn strobes are specially designed for use with compatible life safety communication and control equipment to alert occupants of a life safety event. The horn emits a piercing low frequency sound that is easily heard above moderate ambient noise levels. The flash from its strobe can be noticed from almost any position in the room, corridor, or large open space. Integritys rugged plastic housing is made from