First Alert 1039807 Hardwired Smoke & Carbon Monoxide Alarm with 10-Year Battery Backup BF10 Heavy-duty ball bearings are sealed

Heavy-duty ball bearings are sealed

Ideal for typical residential and light commercial applications

Heavy-duty vacuum is ideal for vacuuming leaves

Finish=Aluminum

12" standard pipe (12" inner diameter

First Alert 1039807 Hardwired Smoke & Carbon Monoxide Alarm with 10-Year Battery Backup BF10 Heavy-duty ball bearings are sealedThe First Alert Hardwired Combination Smoke and Carbon Monoxide Alarm uses an electrochemical CO sensing technology and Ionization sensor for smoke detection. It includes a 9 volt battery for continued function in the event of a power outage, and it features a test silence button, tamper resistant locking brackets, and a universal mounting bracket. This CO smoke detector can be connected to other compatible BRK and First Alert hardwired smoke and