Home / Detectors / Duct Detectors / Silent Knight SK-DUCT Silent Knight SK-DUCT $265.87 Intelligent Non-Relay Duct Smoke Detector Availability: Please Call for Lead Time Silent Knight SK-DUCT quantity Add to cart Request a Quote This product is already on your Quote Request Browse your Quote Request Factory NewBrand: Silent Knight FireAlarm.com Part #: 16600 Categories: Detectors, Duct Detectors Manufacturer Part #: SK-DUCT Tags: PR, SE Specifications Resources Information Weight 1.6 lbs Condition New Brand Silent Knight Product Notes Replacement: SK-DUCT-W