50PCS PVC Mushroom Spawn Grow Bag Substrate High Temp Pre Sealable 5'' x 20''
- Suitable for mushrooms, fungus, grains.
- Square gusset bags can help increase the number of mushrooms.
- Using these bags for running spawn, and the mycelial fermentation cycle can be shortened.
- Air vent window design saves a lot of labor, you do not require drilling and oxygenation. And it can isolate bacteria via nanotechnology.
- Polypropylene, high-temperature resistance.
- Color: Transparent
- Material: Polypropylene
- Size: 127mm x 500mm (Approx. 5'' x 20") [The width refers to the expanded size.]
- Thickness: 0.06mm
- Air vent window size: 55 x 55mm
- Air vent window aperture: 0.2um