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★Protection level: IP67
★Size: 0.25 microns filter, 20mm diameter.
★Item Package Quantity: 64pcs filter paper for mushroom cultivation
★Good material：These filter papers are resistant to high temperature and high pressure. It can be used in autoclaves, steam sterilizers or autoclaves.Autoclavable & Reusable
★Function：These filters are widely used by commercial producers and those involved in small family planting.You can paste it into the hole under the wide-mouth can lid. Smear the surface, and then paste the sticker. The use of these papers allows for fresh and continuous air exchange while preventing unnecessary contaminants from entering.
Dale Vance
Reviewed in the United States on August 5, 2024
He's worked great stood up under pressure cooking for sterilization the price is great these are good
Luke W....
Reviewed in the United States on June 16, 2024
To use. Will update if any filter fail.
Freedom35
Reviewed in the United States on April 26, 2024
I've used one of these filter patches and it went great. My stuff is free from contamination.
B Greene
Reviewed in the United States on February 7, 2023
Works like they should! Make the hole smaller then 12 inch or they will get sucked into the hole when pressure cooking. Lost a few, but lesson learned. Thank you. Will order again!
Mitchell
Reviewed in the United States on May 31, 2022
These have worked great for me so far. I use the to pressure cook and have not had any contamination thus far. Will definitely order again!
William Braun
Reviewed in the United States on July 1, 2021
These stayed stuck on plastic after pressure cooking + isopropyl alcohol sanitation. I have to say that I was not expecting them to perform to this degree
HeyB
Reviewed in the United States on January 19, 2021
So far these have been working great. (FYI I placed these on the inside of the cap like they recommended) I’ve ran them through the pressure cooker 3 times I think now with no problem. I’ve washed all my caps and the stickers got wet in the process with no issue. Just let them dry out. I’ll change/update this review if they begin to fail.
PyroParrish
Reviewed in the United States on October 20, 2020
I didnt follow the directions and just put the filter on top of my lid. 1/4 (.25) inch hole. They been pressure cooker multiple times... atleast5. I have them installed on one piece stainless steel lids. Dishwashered a few times still holds no problem.The price seems to be slowly climbing though... glad i still got some extras.
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