Min. Order Reference FOB Price
1 Piece US$200.00-300.00 / Piece
Product Description
HVAC Duct Mount Smoke Detectors Product Description The 4-wire photoelectric duct smoke detector features a pivoting housing that fits both square and rectangular footprints and mounts to round or rectangular ductwork. This unit operates in airflow speeds of 100 to 4,000 feet per minute, ...