4 in Sdr35 D3034 Bushing Sch 40

Reinforced wall thickness at key branch intersections to SDR 18 for added protection from stress and breakage Injection molded joint withstands 50 psi hydrostatic pressure and 22 in mercury vacuum pressure Integrated engineered gasket and a 1-piece bell for maximum system performance Specially-designed square pipe stop prevents damage from over insertion, requires 30% more force before spearing Pre-alignment lead in allows an easy and timely installation Triple certification listing