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Amazon.com : 30Pcs Mushroom Grow Bags with 0.2 Micron Filter Patch, 6 Mil Polypropylene, Large Size 8" X 5" X 20" for Mushrooms and Bamboo Fungus Ganoderma Mushroom, Substrates Or Grains :
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Amazon.com : Milliken Mushroom Supply - Mushroom Spawn Bags with self-Healing Injection Port, 0.2 Micron Gas Filter, 3 Mil. Pack of 10 - Trusted by The Pros - Medium 4″Deep X 5″
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