FermZilla Flat Bottom Fermenter - 7.9 gal. / 30 L - KL14755 Type_Hydrometer Rubber grommet that is perfect

Rubber grommet that is perfect for making a sealed container into a fermenter

This lid comes with a red pressure relief valve (that opens at 2

All variable volume tanks other than those from Speidel

The other major difference between the two systems is that the BrewZilla features a built-in pump for recirculating the mash

Abdomen Diameter - 21

FermZilla Flat Bottom Fermenter - 7.9 gal. / 30 L - KL14755 Type_Hydrometer Rubber grommet that is perfectThe FermZilla Flat Bottom Fermenter is an excellent option for making all kinds of beverages, from beer and wine to kombucha and cold brew coffee. It's compact, lightweight, and made of brilliantly smooth PET. The extra large lid opening makes it easy to get your arm inside and scrub the walls clean after use. The Flat Bottom features the same lid as the Conical FermZilla's, so installing accessories like a thermowell or Temp Twister Cooling Coil