Our custom Herms coil kit is a huge 50' coil for ultimate heat exchange. It fits in all of our 6 port kettles. Made fro 304 SS it's the best quality coil you'll find. Other suppliers will sell you the coil, leaving it up to you to figure out how you'll be attaching it. We make this simple, and our coil comes complete with the right connections for a simple and elegant solution to attach the coil to our6 port Bräu kettle.