4T Injection Port 3mil Mushroom Spawn Grow Bags, .2 Micron


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.2 Micron Filter 4T bags filter patch autoclavable bags with self healing injection port. Perfect for selling sterilized grain spawn or grow kits. Thicker 3 mil bag walls, fit better in round pressure cookers vs 3T since they are more cylindrical. Perfect for 2-64lbs. spawn and supplemented sawdust blocks, or grow kits.

Made In USA 

4″X3″X18″ 3.0 mil″ 3.0 mil PP, “T” filter 0.2 micron with injection port

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25 USA Free Shipping, 150 USA Free Shipping


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