OD 14mm Rigid Tube Fittings 90 Degree Hard Tube Compression Fittings Connectors For Water Cooling – Alexnld.com
Thermaltake Pacific C-PRO G1/4 PETG Tube 16mm OD Compression – Black (6-Pack Fittings) Water cooling - fittings | Conrad.com
A look at adapter fittings for PC water cooling.
PC Water Cooling Hard Tube Pipe Fittings KIt Set OD 14MM Black/Silver|Fans & Cooling| - AliExpress
4pcs Water Cooling Tube Fittings with 8 Sealing Rings for 16mm/0.06inch Rigid Pipes Rigid Tubing Fittings Set for PC Water Cooling System - Walmart.com
Beginner's guide to PC water cooling fittings | Windows Central