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 20 – Side Outlet Elbow Type 29 – 30° to 60° Single Socket Tee 327 – Three Socket 11-30 Tee Type 46 – Combination Socket Tee and Crossover