These wide-mouth synthetic filter discs are thick and can be reused multiple times. With a filtration level of 0.22 microns, they offer the highest filtration available in the market. These filter discs are designed to fit wide-mouth canning jars of any size. Add a self-healing injection port for a simple DIY lid filter.

Here are a few noteworthy characteristics.

  • Designed to fit 90mm wide mouth jars
  • Boasts a filtration level of 0.22 microns
  • Discs can be reused multiple times
  • 12- Pack
Retail: $12.00
Price: $8.99
You Save: $3.01 (25.1%)
    Points to Purchase:899

    Quantity:
    Item #: FD1
    Availability: In Stock
    Usually ships In 1 Day

    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 filters—one to two holes are typically sufficient. Perfect for projects such as wedge and grain transfers.

    Key Features:

    • 0.22 Micron Filtration Efficiency: Superior protection from microscopic contaminants.
    • Reusable & Washable: Easily clean with a damp towel for extended use.
    • Hydrophobic & Oleophobic: Resists water and oil, ensuring durability and cleanliness.
    • Eco-Friendly Design: Crafted from 70% recycled materials.
    • Fully Autoclavable: High-temperature resistance for sterilization processes.

    Ideal for reliable and sustainable mycology practices!

    Package contains 6 filter discs with self-healing ports
    Overall Customer Rating of 8 Reviews:
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    Work great!

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

    MI

    Faster colonization

    Rating:
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    Pros:
    • Airflow
    • Price
    Cons:
    I was using un modded tek on my jars had to get rid of the metal lid tops because I had a lot of jars that would yeast out or contaminate having these provide me with more air flow an more protection I’ve seen a clear faster colonization rate in my jars and less contam definitely will be grabbing some more soon

    Eggcellent

    Rating:
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    Pros:
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    Best option imo to easily turn wide mouths into grain spawn jars. Excellent product and an excellent company

    Virginia

    A quantum leap in inoculation.

    Rating:
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    Pros:
    • inexpensive protection for your myocilin
    Cons:
    These are so much easier to use. In conjunction with the 5 grain jars, No intrusions of contamination. Keep your needle hot, use with u/v light alcohol wipes and your favorite inoculation method, And rest easier knowing your jars are safe.

    Filter Disk

    Rating:
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    Pros:
    • Cheap
    • 100% effective
    Cons:
    • None
    I use these with 100% success to grow my mushroom cultures. I even reuse them and they never fail. This is a quality product and worth every penny.