First Alert BRK 9120Bff-6 Hardwired Smoke Detector with Battery Backup, 6-Pack Silicon Thickness 1

Thickness 1

Meanwhile the WASH side has a volum around 6

No other cleaning work is required

Spot application for digging into pinpoint pain areas

First Alert BRK 9120Bff-6 Hardwired Smoke Detector with Battery Backup, 6-Pack Silicon Thickness 1Brand: First Alert Color: White Features: 6 pack of hardwired smoke alarms, includes battery backup for power outages Tamper resistant locking pins, single button silence test and loud 85Db alarm 120 Volt AC power with 9 volt battery backup (included) to keep alarm functioning during power outage Open mounting design for easy installation with side load battery compartment for quick replacement and interconnect able up to 18 units (12 smoke, 6 co heat