Description
QRP Silicone GROMMETS are BPA-free USDA Food Grade Compliant and are produced by a reputable food container manufacturer. fit any brand Mason jar plastic caps (1/16″ groove). Grommet easily inserts into 9/16″ lid hole (1/2″ may be too tight, pushing the airlock into the lid may cause the lid to crack; 5/8″ may cause a loose fit for the grommet). Grommet center hole is 3/8″ and is the standard size for Fermentation Airlocks. THE 1/16″ GROOVE IS TOO NARROW FOR FIDO GLASS LIDS. We understand your health concerns. QRP products were developed to help our director overcome prostate cancer. ALL QRP parts and products are
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