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Foam Stopper 35-45mm

$2.29
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Product details

Breathable foam stoppers will withstand boiling or autoclaving temperatures, making them ideal for use in preparing a yeast starter. The honeycomb structure of the foam stoppers will act is a filter for any airborne bacteria or wild yeast that might enter the flask. That important because a lot of air is sucked into the flask while it is cooling. You can also leave the stoppers on the flask instead of a fermentation lock. Some people use foam stoppers to replace fermentation locks in their carboys, too.

The small foam stoppers are 35-45mm wide and fit our 500 or 1000 ml borosilicate glass flasks, or a glass carboy.

Additional information

SKU 42949

Customer Reviews

Based on 12 reviews
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(12)
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S
S.
Foam stopper
D
D.L.
H
H.M.
Does the job
M
M.D.
j
j.k.
Pretty nifty!

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Foam Stopper 35-45mm

Foam Stopper 35-45mm