Hozelock 2291P9000 2291 Double Male Connector 12.5mm (1/2in)

2291-Double-Male-Connector-12-5mm-1-2in-Hozelock-2291P9000-p-Double-ended-male-connector-allowing-two-lengths-of-hose-equipped-with-female-connectors-to-be-joined-p-Hozelock-2291P9000-2291-Double-Male-Connector-12-5mm-1-2in-

Price: 4.69 from Rapid Online Rapid Electronics Ltd.