on Orders Over $99 10-Pack: Heavy Duty Mushroom Grain Spawn Bags (3.2 Mil) | Self-Healing Injection Port and 0.2 Micron Filter | 5 in x 5 in x 20 in
★★★★★
1 review 
10-Pack: Heavy Duty Mushroom Grain Spawn Bags (3.2 Mil) | Self-Healing Injection Port and 0.2 Micron Filter | 5 in x 5 in x 20 in
$12.99 Autoclavable PP5 • 0.2 Micron Filter • 5 in x 20 in Capacity
Pack of 10 heavy-duty spawn bags. This 10-pack provides enough capacity for ~40-50 lbs of grain spawn. Features 3.2 mil thickness, self-healing injection ports, and 0.2-micron filters for sterile liquid culture expansion.
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- Family-Owned PNW Business
Product Specifications
| Material | Heavy Duty Polypropylene (PP5) |
|---|---|
| Thickness | 3.2 Mil |
| Filter Rating | 0.2 Micron (High Efficiency) |
| Filter Type | Gas Exchange Patch |
| Dimensions | 5 in (W) x 20 in (H) |
| Injection Port | Yes (Self-Healing Rubber) |
| Heat Resistance | Autoclavable up to 260°F (127°C) |
| Capacity | Holds 4-7 lbs of hydrated grain |
| Pack Quantity | 10 Bags |
| Reusable | No (Single use recommended) |
Customer Reviews
5.0
★★★★★
Based on 1 review Kyle A. Verified Purchase
Mar 06, 2026★★★★★
homemade substrate added
this worked very well for bagging and sanitizing my own substrate
10-Pack: Heavy Duty Mushroom Grain Spawn Bags (3.2 Mil) | Self-Healing Injection Port and 0.2 Micron Filter | 5 in x 5 in x 20 in$12.99