Edwards Signaling SD-2W Conventional SuperDuct Detector MCF The shock-absorbing nylon swivel ball

The shock-absorbing nylon swivel ball on the contact plate

and other normally open contact devices

Grizzly 450 2007-2014

And thanks to an ingenious full backplane sealing gasket

Edwards Signaling SD-2W Conventional SuperDuct Detector MCF The shock-absorbing nylon swivel ballSuperDuct is slim feature rich alternative to bulky duct smoke detectors. Designed for easy installation and superb reliability, SuperDuct represents the perfect balance of practical design and advanced technology. SuperDuct detectors feature a unique design that speeds installation and simplifies maintenance. Removable dust filters, conformally coated circuit boards, and optional water resistant gaskets keep contaminants away from components,