Filter discs are great for the mushroom cultivator to grow grain spawn. These cellulose filters fit on ball mason glass jars, perfect for grain spawn cultivation. These filters are used for all scales of mushroom cultivation. From the home grower to larger scale farmers who use them to act as spawn masters in commercial production, these 100% reusable cellulose filters are great value. The cellulose filters are good for hundreds of pressure cooker cycles – with no change in the pore size or filter efficiency.
Usage of these discs allows a fresh, constant air exchange but prevents the entrance of unwanted contaminates.The filters are 100% cellulose with a pore size of 0.3 micron. They are 100% reusable and the best filter available for spawn production with the ability to be repetitively sterilised in your pressure cooker.
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