Spawn, Sterilized Grain for Mushrooms 4 bags, 2 pounds each, 8 pounds total

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4 bags of sterilized oats.
Each bag weights 2 pounds.
8 pounds total.
The bags are made of 3.0 Mil polypropylene and have a 0.2 micron Type T filter patch to ensure proper breathability and filtration of unwanted contamination.
These are considered "Master" grain spawn bags because they have superior filtration against contamination in comparison to the average grain spawn bag.

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