Print with PETG. You will need 2 O-Rings,25mm and 11mm.
The specs for the the quick disconnect.
https://www.rct-online.de/en/tube-hose-connectors/quick-disconnect-couplings-made-of-plastic/pom-quick-disconnect-couplings/29183/pom-full-plastic-quick-disconnect-coupling-nw-6.4-mm
The author marked this model as their own original creation.