Does the GF30 have a racking arm? Kim November 11, 2023 12:41 Updated Yes. The dual valve tap has an arm that extends above the yeast and hops to collect a clear sample. Related articles GF30 Dual Valve Liquid Inlet Sizes Will my filter get blocked up with hops in the G40? Can I use a blow-off tube with the GF30, Conical Fermenter? If yes, how do I set this up? How does heating work in the Conical Fermenter? Quick Start Guide - Glycol Chiller Adapter (GCA) Kit