First Alert 1046869 Interconnect Hardwire 2-in-1 Smoke & CO Alarm with Battery Backup Mason Waste digestion helps keep your

Waste digestion helps keep your tank sensors working efficiently

Recloseable Tube

holds strongly

The bulb has green bands on each end which mean it's environmentally friendly for easy disposal

Cold Rolled

First Alert 1046869 Interconnect Hardwire 2-in-1 Smoke & CO Alarm with Battery Backup Mason Waste digestion helps keep yourThe SMICO100 AC Interconnect Hardwire 2 in 1 Smoke and CO Alarm with Battery Backup utilizes First Alert's Precision Detection technology and meets the latest industry standards. Easily install and interconnect multiple detectors together to create an alarm system throughout your home. First Alert's Precision Detection advanced sensing technology complies with the latest industry standards to reduce cooking nuisance alarms and provides early warning