This is the Discharge Tee (2 x 32mm S) x (1 x 50mm Spg). It is commonly used with 32mm rigid pipe and 32mm flexible rigid pipe. This is mainly used to immediately divert the pressure from the top of the Whirlpool bath pump evenly between the left and right side of the bath jets.
Best to use a plumbing cleaner then pipe cement to assemble. Pipe work pushes inside this part.
Height: 73 mm
Outer Length: 87 mm
Depth / Diameter: 50 mm x 32 mm x 32 mm