A rotating interior racking arm is standard equipment.
This works like a rotating siphon tube inside your fermenter, and allows you to
rotate it downwards just enough to rack sediment free beer into your priming tank or keg. It
is best to screw a 3/8" nylon or stainless hose barb onto
this valve so you can attach tubing (not included, see link below for
If your conical fermenter did not have this feature, you would have to
transfer from the bottom of the cone, where yeast sediment inevitably builds up
(no matter how steep the walls of the conical are).