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Foam Stopper 46-50mm

$3.49
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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 large foam stoppers are 46-50 mm wide and fit our 2000 ml borosilicate glass flasks.

Additional information

SKU 42950

Customer Reviews

Based on 15 reviews
93%
(14)
7%
(1)
0%
(0)
0%
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0%
(0)
t
t.g.
Just what I ordered
J
J.O.
Whoa...almost TOO good
C
C.
C
C.J.
Worked just as advertised
R
R.M.
it is what it is

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Foam Stopper 46-50mm

Foam Stopper 46-50mm