Alphacool ES screw-on sleeve made of brass with 1/4" thread for a hose thickness of 8/5mm. Optimized for server and workstation systems. Technical DataDimensions (L x W x H) 17x17x21mmMaterialBrassWeight16gThreadG1/4"Hose Thickness8/5mmColorBlack**Please Note**Please use only in conjunction with clear transparent water cooling fluids. The particles and additives in Pastel liquids can clog and permanently damage water cooling products such as radiators, pumps, coolers and hoses. This can result in voiding the manufacturer's warranty as well. Datasheet (EN)