Source One Environmental flexible pipe coupling

The SilverBack XL flexible coupling from Source One Environmental is designed to create permanent pipe connections in pipe bursting and ramming applications. Made of flexible PVC, a heavy-duty shear ring enables the coupling to resolve alignment problems while resisting heavy earth loads and shear forces in 4- by 4-inch clay-to-plastic, 6- by 6-inch plastic-to-plastic and 6- by 6-inch clay-to-plastic connections (custom sizes available). 877/450-3701; www.s1eonline.com.