Type 90 – PGR Three Socket Tee admin | August 9, 2020 Type 90 is used to join the top rail to an intermediate upright. Add to quote Categories: All Products, Fitting, Klamp, Tee Fitting Related products Type 10 – Single Socket Tee Type 20 – Side Outlet Elbow Type 16 – Clamp-on Tee Type 87 – Angle Elbow