Product Description Hose Adapter Female Available in 8 Sizes Polyethylene 6 Bar Pressure Tested All Diameters correspond to the I.D of the Hose Female BSP Hose Diameter 1/2″ 13mm(1/2″) 3/4″ 20mm(3/4″) 1″ 20mm(3/4″) 1″ 25mm(1″) 1 1/4″ 32mm (1 1/4″) 1 1/2″ 38mm(1 1/2″) 1 1/2″ 40mm(1 1/2″) 2″ 50mm(2″)