Favourite Spare Air-lock Grommet

£1.59

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A spare rubber grommet that holds an airlock securely in the hole of a fermenter lid or plastic demijohn cap - handy if your old one has perished, split or gone missing.

Features

Fits into the airlock hole in a fermenting bucket lid or plastic demijohn
Grips the stem of the airlock for an airtight seal
Suits bubbler and two-piece airlocks
Code YH-1241

How to use

Push the grommet into the hole in the lid from the outside so it seats evenly, then sanitise it and push the airlock stem through the centre. A little sanitiser solution on the stem makes it slide in more easily.

Who it's for

Anyone whose fermenter lid has lost its grommet, or who has drilled a new lid and needs a seal for the airlock. A cheap spare to keep in the brew box.

Complete the set

Bubbler Airlock with Red Cap - the classic airlock to go in it
Handy Airlock (2 pack) - a compact alternative
Fermenters (All Sizes) - buckets with lids ready fitted with a grommet
ChemSan - to sanitise the grommet and airlock

Frequently Asked Questions

Which airlocks fit it?

It is designed to hold a standard airlock, such as a bubbler or Handy Airlock, securely in a lid.

Where does it go?

It fits into the airlock hole in the lid of a fermenting vessel or the cap of a plastic demijohn.

Why replace a grommet?

Old grommets can harden, split or fall out, which stops the airlock sealing properly. A new one restores an airtight fit.

Country/region

Favourite Spare Air-lock Grommet