Olympus Myco 10X Mushroom Grow Bags - 5"x4"x19" Premium Autoclavable Spawn Bags, 0.2 Micron Filter Patch, 3 Mil Polypropylene - 50 Pack

Olympus Myco 10X Mushroom Grow Bags - 5"x4"x19" Premium Autoclavable Spawn Bags, 0.2 Micron Filter Patch, 3 Mil Polypropylene - 50 Pack

TonGass 60-Pack Autoclavable Mushroom Growing Bag Bulk with Microporous Filter Patchs - Large 8"x5"x20" Extra Thick 80 Micron (=3 Mil)| Mushroom Cultivation Spawn Supply Myco Bag Bulk Substrate Bags