These Heavy Duty 2.2 Millimeter Sealable Mushroom Bags come in a bulk pack. They feature a 0.5 micron filter patch. Each bag is autoclavable and durable to allow easy 100% sterilized premium mushroom growing in bulk to provide substrate conditions. These bags ensure mushroom growth is fortified with all necessary vitamin's and minerals. Additionally, the bags allow for guaranteed excellent moisture content and balanced ph; perfect for fully colonized spawn.
2.2 Millimeter Polypropylene/PP Breathable Spawn Bag:
- permeability barrier, universal microporous filter patches (allow gas exchange but inhibit the passage of contaminants)
- suitable for a variety of mushrooms
- autoclavable (ready for repeated steam sterilization) bags
- breathable window (5.5cm x 5.5cm)
- 0.5 micron filter patch