Uses a patented theft prevention 3/4"" x 2 locking bolt system, Cage completely covers the backflow unit and is accessible for service and winterization, Constructed with a 1/8"" steel angle frame and #14 - 1/2"" expanded steel exterior, Cage retains no moisture therefore preventing rust and deterioration, Comes completely assembled and ready to install with (4) hex pin anchors and bolts and 1 unlocking bit, Can be installed on any wall mount vaccum breaker from 3/4"" to 2 1/2"", Unit is primer coated and can be painted to match your specific application, Can be installed in less than 10 minutes and provides a lifetime of protection against vandalism and theft, All theft prevention cages are Made in the USA, Length: 23 3/4 inches, Height: 24 inches, Width: 12 inches SKU: PVBLX001