Unicorn Filter Patch Bags LG-3B


3B Unicorn Brand autoclavable bags are popular for making large 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.  Large bags (8″ x 5″ x 19″) with 5.0 micron filter.

By special order only. Contact us about discounts and production timeline.

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