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HOT!!! NEW LIMITED EDITION T-SHIRTS! Only 45 printed! Dope new design! Click here!
Posted December 21

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for all your gourmet culture and microscopy needs! Use coupon SHROOMS for 10% off your order!
Posted April 19

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Posted January 15

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Posted October 14


Synthetic Filter Disc - 125 mm


$1.75

Qty Discounts New Price
1-9
$1.75
10-24
$1.62
25-49
$1.58
50-99
$1.54
100+
$1.48

These heavy-duty filter discs are designed for gallon-sized spawn jars with a 125 mm opening. This size filter is also popular with mycologists that make their own custom spawn lids, as it can easily be cut down into many smaller filters that can be used on custom lids. These filters allow for gas exchange while providing 99.97% efficiency filtration down to 0.3 microns. Autoclavable. They are 100% reusable and the best filter available for spawn production or canning jar cultivation.

To use this filter, simply fit it snugly under the jar lid, or place it on top of the jar lid and secure it with the jar band.

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