Fermentation Jar Hat / Cover.
Our fermentation jar hat is the ideal cover for your glass jars and fits our range of Kilner Jars perfectly.
Reusable – no more need for kitchen roll and rubber bands!
Made from high-quality food-grade materials.
Breathable for ferments such as kefir and kombucha.
Stackable – Smaller jars can stand on top of each other to maximise space.
Pest control – Ensure things like fruit flies can’t get into your ferments.
9cm Internal diameter. Fits all major UK jar manufacturers (Kilner, IKEA, ASDA, Sainsbury’s, Tesco, Wilko etc) Do not fit Pearl Jars.