Alphacool double nipple g14 outer thread to g14 outer thread with o ring deep black alphacoolss fittings go new ways in looks quality of manufacturing colours and choice the inner diameter of these fittings truly deserves the acirceuro382high flowacirceurooelig attribute the first three colours chrome deep black and shiny copper offer something for every taste the product matching series are designed to look elegant in every system highlighting the individual desi