First Alert CO5120BN Carbon Monoxide Alarm, 10 ft, 85 dB, Alarm: Audible, Electrochemical Sensor, Ceiling/Wall 5-Plus Includes a 1/2 in inlet

Includes a 1/2 in inlet for quick spray hose connections

Rust-resistant

With just a twist of the nozzle

The set also comes in a durable tool pouch to keep everything in one place

First Alert CO5120BN Carbon Monoxide Alarm, 10 ft, 85 dB, Alarm: Audible, Electrochemical Sensor, Ceiling/Wall 5-Plus Includes a 1/2 in inletThis First Alert hardwired carbon monoxide alarm with battery back up meets codes where CO alarms are required for new construction. installation is seamless with the use of a quick plug in power connector. additional features such as a microprocessor that limits nuisance alarms and a single test silence button add versatility to an already efficient carbon monoxide alarm.