Cooling Spiral 7,5m in stainless steel for faster cooling of the wort. The fittings fit 3/4-inch Quck Connect garden hose connectors.Spiral tube diameter: ca 10 mmSpiral height: ca 90 mmTotal height: ca 400 mmTotal spiral diameter: ca 255 mmThreads: 3/4" (fit 3/4-inch Gardena-style garden hose connectors)