Mushroom Filter Patch bags for spawn or substrate. 0.2Micron Filter Patch
 
Bulk orders avaliable (500-1000 + bags), Please email for pricing.
 
Autoclvable at 121celcius 
 
Size 1: Holds 1KG Grain
Size 2 Holds 2KG Grain
Size 3 Holds 3KG Grain
 
For larger orders of bags 500-1000+ please email me for pricing and shipping.
 
Size 3 is your common 5lb/ 2.5KG size filter patch bag.