Fernco® Repair Coupling, Strong Back, Series: 5006 RC, Fitting/Connector Type: Coupling, 4 in Nominal, Concrete x Cast Iron/Plastic, 0.36 in Thickness, 4.1 in Length, 4.3 psi, 60 Duro Shore A Flexible PVC, -30 to 140 deg F, 5.29 in ID x 6 in OD, Domestic
Designed for resistance to heavy earth loads and shear forces, while providing improved pipe alignment.