.22 Micron Syringe Gas Exchange Filters Spawn and Culture Jars

These non-sterile .22 micron syringe filters are commonly used in the hobby of mushroom cultivation.

Here are some examples on how these are used.

• As a HEPA filter for air pumps feeding a fruiting chamber or canning jar humidifier.
• As gas exchange filters for spawn jar lids and liquid culture lids. 

Includes 5 filters and 5 caps