: Often used for industrial or short-range outdoor warnings. The Federal Signal Model D Go to product viewer dialog for this item.
, were the backbone of civil defense. A "new condition" vintage Go to product viewer dialog for this item. can cost over $2,100. buy old air raid siren
can cost roughly $600, while smaller WWII-era US Army hand-crank units go for similar prices. : Often used for industrial or short-range outdoor warnings