90° Flat Tee Assembly – Gusset Type 90° Flat Tee Assembly - Gusset Type Nominal Section Size (mm) Model NumberSizeSize A0505FT5050 A0705FT7550 A0707FT7575 A1005FT10050 A1007FT10075 A1010FT100100 A1505FT15050 A1507FT15075 A1510FT150100 A1515FT150150 A2010FT200100 A2205FT22550 A2215FT225150 A3015FT300150