BRK Interconnect Hardwire Smoke Alarm with Battery Backup Size:120 V The hitch pin fits 2

The hitch pin fits 2 in

Copper Or CPVC Tubing Into Fitting End Until Tubing Seats At Stop

CANTEX 5233830 is a 3 in

Lock and finish backed by limited lifetime warranty (Oil-Rubbed Bronze exempt from finish guarantee)

With the Miracle-Gro Garden Feeder:

BRK Interconnect Hardwire Smoke Alarm with Battery Backup Size:120 V The hitch pin fits 2Direct wire in with 9V battery backup. Hardwired with battery backup for protection during power outages. Perfect mount for easy installation. Mounting bracket keeps the alarm secure over a wide rotation range for ideal alignment. Latching alarm indicator, visually identifies unit that initiated alarm or low battery. Interconnects with most First Alert and BRK hardwired alarms. When one alarm sounds, all compatible alarms sound (up to 12 smoke alarms