The FerMonster features a wider 4” / 10cm mouth, so there is easier access for cleaning. It is made of heavy P.E.T. plastic.These Carboys do not use any plasticizer and are made with 100% Virgin material. Made with Food grade materials and BPA free.
Comes with an O-ring and lid with airlock (airtight once the bung and airlock are correctly inserted)
There are no ribs, only smooth sides,..