DN15 to DN25 PP Plastic Camlock Couplings Type A,E,F, DP 1/2" to 1" Quick Disconnect Adapter Pipe Fittings
https://www.vogueparade.com/shopping/EN/200282142/1/4000809766667/dn15-to-dn25-pp-plastic-camlock-couplings-type-aef-dp-12-to-1-quick-disconnect-adapter-pipe-fittings//