https://ashworth.uk.com/product/vip-polymer-f080101/50-65mm-vip-vdc65-plumbing-drain-coupling-73611200/73611200
50-65mm VIP VDC65 Plumbing/Drain Coupling
50-65mm VIP VDC65 Plumbing/Drain Coupling 73611200 in Multi Use Couplings VIP Polymer
vipplumbingdraincoupling