Drilled No. 7.5 Stopper
This drilled #7.5 stopper is ideal for use with a 1000ml (1L) Erlenmeyer flask during the yeast starter creation process. It is important to remember to insert your airlock before placing the flask on the stir plate.
This drilled #7.5 stopper is ideal for use with a 1000ml (1L) Erlenmeyer flask during the yeast starter creation process. It is important to remember to insert your airlock before placing the flask on the stir plate.
