The Water Manifold 2 inch x 3/4 inch SB (6PT) is commonly used with 2 inch rigid pipe and 2 inch flexible rigid pipe.
Best to use a plumbing cleaner then pipe cement to assemble. Pipework pushes inside this part at the female end and at the male end it pushes into a female socket.
Internal Diameter: 60 mm (male end) 68 mm (femal end)
Outer Length: 202 mm
Depth: 100 mm
2 inch S x 2 inch Spg x 3/4 inch (6) smooth barb