Microppose 90mm Synthetic Filter Disc for Wide Mouth Jars 0.2 micron (12-Pack) 5-grain Jars, synthetic filter discs, exceptional filtration capabilities, thick filter discs, reusable filter discs, 0.2 microns filtration level, highest filtration, self-healing injection port, RTV high temp silicone, durable injection port, Tyvek wide mouth synthetic filter disk, mycology, mushroom cultivation, high-density polyethylene material, small injection port, contamination prevention, gas exchange, proper air flow,

Microppose 90mm Synthetic Filter Disc for Wide Mouth Jars 0.2 micron (12-Pack) (FD1)

5.00 stars, based on 8 reviews
Enhance your culture growth with these high-quality filters, designed to fit metal jar lids and provide optimal airflow while safeguarding against contaminant spores and bacteria. Simply punch 1/4" hole(s) in your metal lid discs and apply the...

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Reviews 6-8 of 8

much easier than using lids

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These are perfect; keeping out mold spores while allowing plenty of air circulation. So much easier!!

These things are great.

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My homemade jars always took off in the initial stage and slowed down and or stopped later on. It was very frustrating, I was following directions to the "T" and it wasn't working. I began to think that air exchange could be the culprit as it was the only thing left to consider. I bought these counting on them to allow more air exchange and boy did they do the trick. I use these as the lid on the jars and nothing else. It's great to see the jars growing at the same pace through out the incubation process. With the self healing port I don't even use a box for sterility. I wipe the syringe down with alcohol and heat the needle. I wipe the injection port with alcohol prior to inserting the needle and make sure that I have an alcohol swab on the port as I remove it. How much easier could it be!

Work great!

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Love these! Can be reused and seem to last longer than the filter stickers.

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Reviews 6-8 of 8