Fernco® Expansion Joint Coupling, Series: XJ Series, Coupling, 4 in Nominal, Plastic, 4 in Length, 4.3 psi Tested, Flexible PVC, 50 to 130 deg F
Fernco's one-piece expansion joints allows thermal expansion and contraction of drain, waste and vent pipes and inside rain water conductor systems. Eliminating costly offsets normally used to accommodate expansion and contraction, this coupling is an ideal solution for vertical pipe installations.