12 QRP PLASTIC LID AIRLOCK GROMMETS 1/16" Groove White Food Grade Silicone for fermenting in Mason Jars ~ Bulk Quantities Available

Includes 12 White Silicone GROMMETS to fit any brand Mason jar plastic caps (1/16" groove). The Grommet easily inserts into a 9/16" lid hole (a 1/2" hole may be too tight and a 5/8" hole may cause a loose fit for the grommet). The Grommet center hole is 3/8" and is the standard size for Fermentation Airlocks. PLEASE DO NOT ORDER FOR GLASS LIDS ~ THE 1/16" GROOVE IS TOO NARROW FOR GLASS LIDS. ALL QRP products are USDA Food Grade BPA-free Compliant and are produced by a reputable food container manufacturer. 2019 Quality Reliable Products, All Rights Reserved.