4T 3 mil Extra Thick Mushroom Grow Bags 2-4 LB


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4T 3mil extra thick bags filter patch autoclavable bags.  Extra thick for more durability, perfectly suited for spawn production or g1 masters. Suitable for 2-4 lb. supplemented sawdust blocks and spawn.

4″X3″X18″ 3.0mil PP, “T” filter 0.2 micron.

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