Photo 1 of 20 Pack Mushroom Bags with Vents, 80 Micron Mushroom Grow Bags Autoclavable Mushroom Spawn Grow Bag, Clear Breathable Mushroom Substrate Bag with 0.2 Micron Filter Patch for Mushroom Grains

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Photo 1 of 20 Pack Mushroom Bags with Vents, 80 Micron Mushroom Grow Bags Autoclavable Mushroom Spawn Grow Bag, Clear Breathable Mushroom Substrate Bag with 0.2 Micron Filter Patch for Mushroom Grains