Type 17 – Clamp-on Crossover admin | August 9, 2020 Designed to provide a 90° cross-over joint. Can be added to an existing structure. tube should not be joined within this fitting. For an alternative fitting, see Type 45 or Type A45. Add to quote Categories: All Products, Cross-over Fittings, Fitting, Klamp Description Description Related products Type 90 – PGR Three Socket Tee Type 21 – 90° Side Outlet Tee 121 – CORNER CROSSOVER Type 88 – Three Socket Angle Tee