1" to 20mm Hose connector female - polypropylene | Yachtneeds
Europe Type G3/4 Inch Brass Garden Hose Connector Female Male Quick Connector Water Hose Coupling Adapter with 4 Pieces Rubber Gaskets for G3/4 Inch Garden Hose Connection : Amazon.co.uk: Garden
RS PRO Hose Connector, Straight Female Hose Adapter For Locking Hose 1/2in ID, 74.2 bar | RS
3/4" BSP Female x Female Click Hose Connector | Hydair