Mushroom Filter Patch bags for spawn or substrate. 0.2Micron Filter Patch

 

Autoclvable at 121celcius 

 

Size 1: Holds 1KG Grain

Size 2 Holds 2KG Grain

Size 3 Holds 3KG Grain

 

Size 3 is your common 5lb size filter bag 

Filter Patch Bags

$1.50Price
Size
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