Mycology Supplies Synthetic Jar Lid Filters, Pack of 10

Mycology Supplies Synthetic Jar Lid Filters allow cultivators to ensure their mushroom spawn has ample oxygen flow without the risk of contamination. They are fully autoclavable.

• Allows for maximum airflow without contaminating the environment
• Sold in packs of 10

Synthetic Jar Lid Filters can be placed on top of a jar with ¼” holes to allow for maximum airflow in inoculated grain without compromising the environment. These are a great option for mycologist’s larger grain or spawn batches, as well as mycelium that thrive in higher oxygen environments or require a longer period of incubation.