Eiszapfen double nippel rotatable G1/4 outer thread to G1/4 outer thread - white 17489 Alphacool's Eiszapfen is the high-end version of the already proven connectors and meets all the requirements placed on a connector with its high-flow, shape, processing and colour. Specifications: Material Brass Colour White Length 22 mm Diameter 18 mm Thread G1/4“ Thread length 5 mm Weight 17 g