FermZilla 2 Inch Tri-Clover Lid and extrasFermZilla 2" Tri Clover Lid (We've left the Kegland links in for the time being) Release the pressure completely before opening the 2" Tri Clover. From Kegland: Upgrade your FermZilla All Rounder or Tri Conical with the new 2 Inch Tri Clover Lid from KegLand. Add yeast, hops or even take samples from a wine thief from the top and not have to remove the entire lid. This particular lid was designed in order to suit a growing number of customers dry hop