This is the special lid used with Blichmann's BrewEasy systems that will allow you to stack your pots and install the tubing necessary to drain your wort from vessel to vessel. It comes with the custom lid, AutoSparge level and flow control system, drain tube kit, silicone hose, QuickConnector fittings, and all other hardware you'll need to get your system up and running. They come in both G1 and G2 variants, so be sure you get the right kit to match whatever generation Blichmann kettle you have on hand.