– Holds up to 2.5kg of grains
– Industry standard
– Type T filter, 0.2µ
– Polypropylene plastic
– Autoclave-able

Unicorn Grain Spawn Bags: For contamination-resistant mushroom cultivation. These bags feature a specialized 0.2-micron filter, ensuring optimal gas exchange while keeping contaminants out. You have the flexibility to prepare and use your grain of choice while benefiting from the convenience of a high-quality, ready-to-use bag. Perfect for both novice and experienced cultivators, these bags make preparing grain spawn a breeze.