First Alert Brk Hardwired Combination Smoke and Carbon Monoxide Detector Item #836885 Model #607001 Clean up is a breeze

Clean up is a breeze with 2 and 3 hour self-clean cycles

66 in Shaft Diameter: 0

push-fit ball valve outlet

The white grille features a built-in

First Alert Brk Hardwired Combination Smoke and Carbon Monoxide Detector Item #836885 Model #607001 Clean up is a breezeThe BRK SC9120 hardwire combination smoke and CO alarm with battery backup includes these features: quick plug in power connector for easy installation, 120 volt AC inter connectible (with maximum 18 compatible devices 12 other compatible smoke alarms + 6 compatible devices like bells, horns, repeaters and door closers. If one unit triggers an alarm, all smoke alarms in the series will sound. Single test silence button which both silences a non