Quick view Fernco 10" Hulk Universal Coupling 12.75" to 10.50" HULK10 Compare $187.00 Strong. Flexible. Steel Reinforced Universal Coupling. - Connects two pipes having an O.D. range of: 10.50"-12.75" One coupling per nominal pipe size connects: Clay Concrete Ductile Iron Orangeburg Asbestos Cement Duriron Cast Iron... Add to Cart Add to Cart Add to Wish List Add to My Wish List Create New Wish List