Fernco® Pipe Coupling, Strong Back Flexible, Series: 5006RC, Fitting/Connector Type: Coupling, 12 in Nominal, Concrete x Cast Iron/Plastic, 6.42 in Length, PVC, -30 to 140 deg F, 12.6 x 15.25 in, Domestic
Designed for resistance to heavy earth loads and shear forces, while providing improved pipe alignment.