Fermentation Kit, Stainless Steel Fermenting Kit for Wide Mouth Mason Jars (Jars

KIT INCLUDES: 4 BPA free water airlocks; 4 Stainless steel(18/8) Wide mouth Lids with Silicone Rings; 4 Silicone Grommets.Warning--DO NOT sterilizing the plastic airlocks with boiling water but warm waterFITS WIDE MOUTH JAR: Fit 3.38 in (86 mm) Outer Diameter Mouth Jars. Fit small 4oz wide mouth jars all the way to large 64oz wide mouth jarsEasily using. 14mm hole instead of 13mm, can easily insert airlock in lid without damage the silicon grommet.Extra silicone grommets The set include extra silicone grommets.One year free Guarantee- if any small parts damaged during delivery, we can change into new one within one year.