Amazon.com: Bitspower Touchaqua G1/4" Tighten Fitting for 14mm OD Hard Tubing, Blue, 4-Pack: Computers & Accessories
Amazon.com: Corsair Hydro X Series XF Hardline Fitting, 14mm OD, Chrome, 4-Pack: Computers & Accessories
Amazon.com: X AUTOHAUX 14mm Hose ID X 1/4'' NPT Female Pipe Car Brass Hose Tail Barb Fitting Connector for Joiner Air Water Fuel Pipe - 5 Pcs: Automotive
Amazon.com: Bitspower G1/4" to Multi-Link Fitting for 14mm OD Rigid Tubing (for Use with Bitspower Rigid Tubing Only), Deep Blood Red, 4-Pack: Computers & Accessories