S-5! DualPipe is a 1″ diameter aluminum tube with a 1/8″ wall engineered to work perfectly with the DualGard snow retention system, but can also be used with any other that requires a 1″ pipe, including VersaGard. Comes in 7'8" (2.34m) lengths. A purchase of 1 unit is a purchase of a single 7'8" pipe. They do not come in pairs. Du