BRK Interconnect Hardwire Smoke Alarm with Battery Backup Size:120 V and the other a liquid

and the other a liquid mixed with water

Fender washers are commonly used when a larger outer diameter is required for an increased bearing surface and surface load reduction

duct opening: 17-3/4" x 17-3/4" x 8-3/16"

iampo and nsf certified and max 1

How Do I Store My Hose

BRK Interconnect Hardwire Smoke Alarm with Battery Backup Size:120 V and the other a liquidDirect 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