Unique Design, Reusable Silicone Seals for use with Wide Mouth Mason Jars with Plastic Lids, Seal Sits on Rim of Jar Not Inside Lid, Gaskets fit Ball, Kerr And All Wide Mouth Mason Jars

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Not all grommets are created equally! It may seem like a simple component, but we have taken the time to get the sizing, flex, and shape just right for a durable, safe grommet that is easy to insert and remove over and over again. Includes 16 premium masontops silicone grommets specifically designed for mason jar fermentation.

BPA-Free, Food-Safe, Reusable and Dishwasher-Safe
Masontops grommets are made from premium BPA-free, food-grade clear silicone.

Designed for Mason Jar Fermentation, Perfectly Sized
Dimensions: center hole - 3/8" diameter (9 mm), center channel - 1/16" width (1.5 mm), designed to fit 9/16" lid holes (14 mm)
Designed for both plastic and metal mason jar lids (Ball plastic lids, Tough Tops) and compatible with any standard fermenting or brewing airlock. Fantastic for mason jar straws and other accessories as well!

Easy to Insert and Remove
Simply punch or drill a 9/16" (14 mm) hole in your mason jar lid and insert the grommet edge into the opening so that the grommet groove catches on the edge. Masontops Tough Tops plastic mason jar lids feature a hole template engraved in the top so that the perfect hole can be drilled to accommodate a True Fit Grommet.

INCLUDES 16 TRUE FIT GROMMETS - Ideal for mason jar fermentation, standard airlocks, mason jar straws and other accessories, wine making and beer brewing.
DESIGNED FOR PLASTIC AND METAL MASON JAR LIDS - It may seem like a simple component, but we have taken the time to get the sizing, flex, and shape just right for a durable, safe grommet that is easy to insert and remove over and over again.
BPA-FREE, FOOD-GRADE, REUSABLE AND DISHWASHER-SAFE - True Fit Grommets are made from premium clear silicone. They can be safely reused over and over and are dishwasher-safe
DIMENSIONS - Center Hole - 3/8" diameter (9 mm), Center Channel - 1/16" width (1.5 mm), designed to fit 9/16" lid holes (14 mm).
EASY TO INSERT AND REMOVE - Simply punch or drill a 9/16" (14 mm) hole in your mason jar lid and insert the grommet edge into the opening so that the grommet groove catches on the edge.

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Masontops True Fit Silicone Grommets For Mason Jar Fermentation Airlock Lids, Sauerkraut, Kimchi, Homebrewing, Wine and Beer Making - 16 Pack

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