UV Stability- The pipe is unaffected by UV rays of the sun, which is highly degrading for any plastic product. Multi layered- These pipes are multi-layered which provides unparallel durability. The internal diameter of the open round pipe is 2 inches ".Repairable- Can be repaired by a free repair kit packed with every unit. Heavy load bearing capacity- Does not tear if a truck or a tractor passes over it. Light in weight- Highly convenient for movement from one place to another.UV Stability- The pipe is unaffected by UV rays of the sun, which is highly degrading for any plastic product. Multi layered- These pipes are multi-layered which provides unparallel durability. The internal diameter of the open round pipe is 2".Repairable- Can be repaired by a free repair kit packed with every unit. Heavy load bearing capacity- Does not tear if a truck or a tractor passes over it. Light in weight- Highly convenient for movement from one place to another.