Unicorn Filter Patch Bags MED-10A

10A Unicorn Brand autoclavable bags are popular for making medium fruiting blocks.  Fill with substrate and sterilize.  Once cool, inoculate with your mushroom culture and seal. The filter allows for air exchange, while keeping contaminants out.   Medium bags (5″ X 4″ X 18″) with 0.5 micron filter.

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