Fittings take in MD Polyethylene pipe and have a male BSP thread out (MD in size mm x bsp thread size out mm)
SIzes: 20mm x 15mm, 20mm x 20mm, 25mm x 20mm, 25mm x 25mm, 32mm x 25mm, 40mm x 25mm, 40mm x 32mm, 40mm x 40mm, 50mm x 40mm, 50mm x 50mm, 63mm x 40mm, 63mm x 50mm, 75mm x 50mm, 90mm x 75mm, 110mm x 100mm