Foam Stopper, 1 3/4" Diameter (Fits 1000ml and 2000ml Flasks)
These foam stoppers are ideal for use in yeast culturing when using an Erlenmeyer flask to conduct a yeast starter. The foam allows for oxygen and CO2 exchange, all the while keeping any foreign material out of your flask.
The Regicell product line has been specifically developed to meet the exacting requirements of quality filtration foam. Regicell foams are thermally reticulated polyester products.