Whelen 97 db Back Alarm, 12-24 VDC. Whelen part number WBUA97. These rugged alarms have passed a one million cycle test and meet O.S.H.A., Bureau of Mines and State Regulations. 12 month warranty. Electronics, sealed in urethane, resist tough environmental conditions.
Firematic Supply Company provides fire and safety equipment for professional firefighters and rescue workers, law enforcement, and the military, as well as your home. These tools and devices are proven to withstand the rigors of firefighting and industrial environments, but are available to all who desire superior quality.