We are the leading provider of Premium Steel and Expanded Metal backflow preventer cages/enclosures. We offer custom designed backflow preventer enclosures for your specific needs.Because of the rising prices of copper and brass, backflow protection cages have become an important deterrent of theft and vandalism to the backflow preventer valve. The metal enclosure provides protection from vandalism, harsh weather, and it completes the backflow preventer installation.Our backflow cages will cover Wilkens, Ames, Watts, Febco backflow preventer valve assemblies. Our steel/metal enclosures are more durable than a gorilla cage and are more protective than a guard shack.