Regular Mouth Cellulose Filter discs (70 mm)
One filter disc per sale
Regular mouth size (70mm) cellulose filter discs made of 100% cellulose for mushroom cultivation.These filter discs are 1/8″ thick and rigid. These cellulose  filter discs are designed to take years of sterilization in and can be reused hundreds of times. These are designed to be used under a plastic lid with a 1″ hole for gas exchange. A must have for the mycology lab if cultivating mushroom spawn in jars.
Out-Grow is here to help!
Out Grow has been making mycology products for many years and we have the experience and professionalism that only comes with being in business for a long time. We are happy to answer all of your questions with knowledgeable information.
Mycology can be challenging at times that is why we are here to work with you. If you have any problems please explain to us the problem and Out-Grow will be happy to work with you! With 100% feedback and years of experience Out Grow is the obvious choice for your mycology needs.
Please thoroughly research the gourmet mushroom strain you want to cultivate. Most gourmet mushrooms will start on sterilized rye grain however you will need to know what secondary substrate is needed.
Out Grow’s customer support is available 5 days a week via eBay messaging Monday through Friday. Our products are 100% guaranteed to be sterile and ready to use.
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