null Skip to main content

Foam Stopper 46-60mm

$2.89
(2 reviews) Write a Review
Breathable foam stoppers that withstand boiling or autoclaving temperatures, this makes them ideal for use when preparing a yeast starter. The structure of the foam act as a filter blocking any airborne bacteria or wild yeast that might enter the flask. These foam stoppers are 46-60 mm wide and fit 2000 to 5000 ml glass flasks.

2 Reviews Hide Reviews Show Reviews

  • 5
    Best ever for cold crash in a big mouth bubbler

    Posted by Shawn on 12th May 2021

    Used it to fill the big mouth bubbler bung hole for cold crash. Works fantastic

  • 4
    Works great

    Posted by ajoyce on 12th Jun 2020

    Works great. Nice change from using foil on top of starters.