Pack of 50 mushroom spawn bags/mushroom growing bags, 0.2 filter, 2.5 polypropylene, Farm-Mushroom Spawn

Mushroom Grow Bags, Autoclave Bags with Filter Patch, CO2 Grower Bag: Open 15 cm x 50 cm, Folded 8 cm x 50 cm, typically holds 1.4 to 2.7 kg blocks, 0.2 micrometer filter patch, sturdy 2.5 polypropylene, sealable, autoclavable, and durable. Grow your own mushrooms in bulk with 100% premium mushroom growing substrate fortified with everything you need. Excellent breathable filterability: Mushroom grow bags with a 0.2 micrometer filter allow for free gas exchange while preventing pollutants from entering. Grow like mushroom growers worldwide use these bags to significantly reduce the space needed to cultivate or spawn mushrooms compared to trays and tubs. Wide application: Multi-purpose for inoculating oyster mushroom clones, Ganoderma bamboo fungi, and more. They can also be used for spawn bags and sawdust fruiting blocks. Ideal for school projects, hobbies, and even professional mushroom growers, farmers, and mushroom cultivation.