Compatible with any 2 Inch tri-clamp fitting. Primarily designed for the:
- FermZilla 2" Tri-Clamp Lid
- in conjunction with the 2" Tri-Clamp Hop Bong

If you are looking to put your FermZilla Tri-Conical / All Rounder in a Fermentation Chamber / Fridge, you will want to allow 420mm measured from the base of the ring collar to a comfortable level to pull the pressure relief valve to purge oxygen from the hop bong.