Spears 466 Series PVC Clamp-On Saddle with Buna O-Ring, Zink Bolt, Schedule 40, White, 3" IPS OD x 2" Socket Clamp-on saddle pipe fitting to create a branch connection on a pipe IPS saddle fitting with a socket end for the branch connection PVC for corrosion resistance, high strength, and less weight than fittings made from metal Buna-nitrile O-ring seal for strength and compatibility with a variety of fluids such as petroleum and hydrocarbons Meets NSF/ANSI 61 Annex G, NSF/ANSI 372 for quality assurance