4" Singlewall

Joins two pieces of pipe - Locks inside of singlewall pipe Normandy HDPE Singlewall Internal Coupling    

Joins two pieces of pipe Coupling 4.40" x 4.80" 4.02" - 4.53" x 4.53" - 4.92" 5/16" Nut Tighten to 60 lbs. torque Drainage applications ONLY Fernco 4" AC/DI/Corrugated x 4" Cast Iron/PVC Flexible Coupling Data Sheet