Bitspower G1/4" Stop Fitting, Matte Black, 4-pack Go to amazon.com Related posts Thing need consider when find watercooling pc fittings? FeatureDesign For Thread G1/4" Seal ApplicationG1/4" threadHi-Quality Brass MaterialHidden O-ring DesignColor: Matte Black DescriptionBitspower stop fitting for water-cooling systems. Sold as a 4-pack. Model: TR-BP-MBWP-C06-4P.