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120 Pcs Synthetic Filter Paper Stickers, 20mm 0.3 μm Filter Disc Strong Adhesive Patch Applied Under Wide Mouth Jar Lid for Mushroom Cultivation

4.5 (6) Write Review
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$9.98

$ 4 .99 $4.99

In Stock
  • Quantity: There are 120 pieces mushroom filter paper stickers in the package, sufficient quantity for mushroom cultivation use.
  • Size: Synthetic filter paper stickers is 20mm, 0.3µm microns filter, great for waterproof and air exchange for Mushroom cultivation.
  • Application：These filter paper are widely used by commercial use and family planting farmer.
  • How to use: These disc filters can be attached to the hole of wide mouth canning jar lids, pls clean and dry the surface before sticking synthetic filter paper.
  • Good material：The filter patch stickers are made of PTFE material, resistant to high temperature and high pressure. non-toxic and firm for long time to use.


Synthetic Filter Paper Stickers for Mushroom Cultivation
Quantity: 120 Pcs
Size: 20mm, 0.3µm microns filter


Katie S.
2025-09-03 17:52:45
I had suspected that these were not .3u because of how much thicker they looked than other ones I’ve had and now after using them side by side for several months with my old ones am further convinced they are not. The gas exchange is much less causing slower colonization and during sterilization process they are so tight that they cause a vacuum and get sucked through the hole.Will never buy this brand again.
gaetan taillon
2025-06-26 15:03:15
Très bien
Cliff
2025-05-15 18:18:16
Used for grain spawn jars. And liquid culture.in mushroom growing. Working great. Used multiple times same jar without having to replace Even after pressure 15psi no contamination after multiple uses.
Daniel Lopez
2025-02-01 16:29:48
Works great
Al Bickell
2024-12-15 20:48:09
they stick well and dont deteriorate in repeated autoclaving
Chris
2024-12-13 19:22:44
Good value