https://www.abbeychart.co.uk/john-guest/pushfit-drinks-dispense-water-treatment/metric-to-imperial/john-guest-hose-connector-15mm-pushfit-1-32-barb-nc932
NC932 - 15mm Tube x 1/2" Hose Stem - John Guest
Imperial to Metric Push-fit Stem to Hose Connector push-fit fitting for converting a push-fit connection to a hose type barb connection.
tubexhosestemjohn