KIT INCLUDES: 4 BPA free water airlocks; 4 Stainless steel(18/8) Wide mouth Lids with Silicone Rings; 4 Silicone Grommets.
FITS WIDE MOUTH JAR: Perfectly fit Ball wide mouth mason jar, also fit Kerr, Bernardin. Any brand of standard "Wide Mouth" Mason jar in pint, quart, or half-gallon.
Easily 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. Warning--DO NOT sterilizing the plastic airlocks with boiling water
