The Air Manifold 1 inch x 3/8 inch SB (8PT) is commonly used with 1 inch rigid pipe and 1 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.
Air outlets are 3/8 inch barb style so that the air tube goes over the top of it on the outside as opposed to inside the pipe.
COMES WITH 1 X END CAP AND 4 X AIR BUNGS.