Water Garden & Irrigation Supplies
Draper - Brass and Rubber Hose Joiner/Mender (1/2) (24538)
Connectors made from high quality brass with rubber overmolding This is a Draper product.
https://www.bizrate.co.uk/watergarden_irrigationsupplies/draper-brass-and-rubber-hose-oid29939181003.html