First Alert BRK 7020BSL Hardwired Hearing Impaired Smoke Detector with LED Strobe Light Item # 655222 seal replacement) or expansion device

seal replacement) or expansion device adjustments may be required in some applications

At 12 feet in length

Changes can easily be made by rotating the valve after installation

Deck plate mount for easy installation

Using these retrofit guidelines

First Alert BRK 7020BSL Hardwired Hearing Impaired Smoke Detector with LED Strobe Light Item # 655222 seal replacement) or expansion deviceHardwired LED Strobe Light Smoke Alarm with 10 Year Sealed Battery The First Alert Hardwired LED Strobe Light Smoke Alarm with 10 Year Sealed Battery features a powerful LED strobe thats proven to be extremely efficient in providing assistance for individuals with hearing impairments. The intuitive use of a Smart Strobe light carries the ability to distinguish between Smoke Heat and CO dangers. First Alert Hardwired LED Smoke Alarms include a wide