First Alert Hardwired 120V Ionization Carbon Monoxide and Smoke Alarm Brand_Purina Cat Chow 5/16" and 3/8"

5/16" and 3/8"

multipurpose wrench

compatible with 3/8"

No Angled Cuts Needed

1/2" all metal single sleeve

First Alert Hardwired 120V Ionization Carbon Monoxide and Smoke Alarm Brand_Purina Cat Chow 5/16" and 3/8"Carbon monoxide & dual ionization smoke sensor Separate visual and audible smoke and carbon monoxide indication to eliminate confusion Intelligent Sensing Technology for fewer nuisance alarms Smart 3 wire interconnect Quick Connect wiring harness for connection to AC power 85dB horn and 9V battery backup 2 silence features: Can silence the low battery chirp for up to 8 hours or temporarily silence an unwanted alarm Interconnectable with up to 18