Tesmotor Garden Hose End Brass No-Leak Connector Fitting, Water Hose 3/4 inch Female and Male Quick Connector Adapter(1 pair) : Amazon.co.uk: Garden
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
T7Design | 13-19mm (1/2"-3/4") Bulkhead Hose Adapter Single
Isiflo Brass BSPT Male Straight Hose Connector €4.09 - bluemarinestore
RS PRO Hose Connector Hose Tail Adaptor, G 1/2in 1/2in ID | RS