AIRLOCK GROMMETS 20 PK 1/2″x3/8″ FOR HOMEBREW WINE BEER MAKING KIT FERMENTER LID

Here’s a lot of 20 soft flexible rubber airlock grommets to fit all beer and wine making buckets, caps, and lids with a standard 1/2″ hole. Has a 3/8″ interior hole to securely fit any “S” or “Three Piece” airlock.   1/4″ Thick.  Grommets seem to hide when you need them most – stock up now at a low delivered cost of LESS THAN .30 cents each!