The CORSAIR Hydro X Series XF Fill Port Adapter makes it easy to fill and drain your custom cooling system, with dual-ended G1/4 threads and an included G1/4 stopper plug. A threaded locking collar also makes fitting to your case simple, securely mounting the fill port to holes for easy exterior access.Universal Compatibility: Standard G1/4 BSPP threads provide universal compatibility with all CORSAIR XF Fittings.Machined from Solid Brass: For superior quality and durability.High-Quality Finish: Available in durable chrome or black for a flawless look.Fill or Drain easily: Use the XF Fill Port anywhere in your custom cooling loop to easily fill or drain your coolant.Threaded Locking Collar: Securely fits the fill port to external case holes or fill port mounts, for easy external filling and draining.Included G1/4 Stopper Plug: Securely seals your loop.Specification:- Product Type: Fill Port Fitting- Cooling Warranty: 2 Years- Port Thread: G1/4\" BSPP- Material: Brass- Compatible Materials: Only mix with other copper / brass products- Colour: Black