Mushroom Growing Supplies - NoName Filter Disc 90mm 100/pack
Mushroom Growing Supplies - NoName Filter Disc 90mm 100/pack 25226
These heavy-duty filter discs are designed for widemouth canning jars (90 mm diameter). They allow for gas exchange while providing 99.97% efficiency filtration down to 0.3 microns. Autoclavable. They are 100% reusable and the best filter available for spawn production or canning jar cultivation.
To use this filter, simply fit it snugly under the jar lid, or place it on top of the jar lid and secure it with the jar band..
Stock # 25226