Does the GF30 have a racking arm? Yes. The dual valve tap has an arm that extends above the yeast and hops to collect a clear sample. Related articles How does heating work in the Conical Fermenter? Can I use a blow-off tube with the GF30, Conical Fermenter? If yes, how do I set this up? GF30 Dual Valve Liquid Inlet Sizes Video - How to Guide on Setting Up and Using the GF30 and Pressure Transfer Kit Instructions - GF30