8" x 6" Ecentric Bell Reducer Gasketed Sewer & Drain Sewer & Drain SDR 35 PVC fitting line is a fully-integrated SDR 35 fitting design using reinforced branches and intersections to enhance the structural integrity of the installation and provide long-lasting performance. Used for non-pressure drainage of sewer and surface water.Specially designed Double Seal Locked-In Rieber gasket that provides a leak-proof joint on extremely durable pipe.