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 - Waiting on a late shipment, should be back in stock around 1/06/21


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. Similar to Unicron Bags 14A size

Mushroom Filter Patch Bags