Silicone airlock Fermentation Lid for Glass Jar.
The airlock fermentation lid is best suited to mason jars and is secured on with a metal/stainless steel ring. It allows the carbon dioxide to escape (one-way airlock), while inhibiting oxygen from entering. It creates the ideal environment for fermentation, especially quick ferments such a veg mixes.
Deal: Buy 3 lids and we'll send you a 4th lid FREE!
Dimensions (W x H x D):