https://www.tomshardware.com/news/koolance-qd1h-quick-disconnect-fittings,30572.html
Koolance Launches QD1H No-Spill Quick Disconnect Water Cooling Fittings | Tom's Hardware
Nov 13, 2015 - Koolance announced the release of a new set of quick disconnect fittings designed for tubing with 3 mm inner diameter and made to be as small as possible.
quick disconnect water