Introducing our 2.2kg sterilized oats filter patch grow bag, perfect for all your mycology needs. This bag is ideal for inoculating with spawn or liquid culture to create bulk grain spawn for your mushroom cultivation projects. The large 2.2kg size provides plenty of sterile grain for your inoculation needs, while the filter patch allows for adequate gas exchange during the colonization process. Our sterilized grain bag is a convenient and efficient way to kickstart your mushroom cultivation journey, saving you time and effort in the sterilization process. Whether you're a seasoned mycologist or just starting out, our 2.2kg sterilized grain bag is a must-have tool for your mycology endeavors.