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| Autoclavable? | Yes |
| Width | 2.75" / 70 mm |
These silicone 'regular mouth' mason jar lid covers are designed to protect your adherable filters and injection ports from steam. When applied over top of your jar lid, they prevent filters from peeling and prolong their life.
Lid covers are autoclavable, reusable, and more eco-friendly than using aluminum foil. Each cover is made from food-grade silicone and can tolerate temperatures up to 400 F (204 C).
*Jar lids and filters not included.
Making the world of mushrooms accessible to all
North Spore was launched in 2014 by a mycologist, an organic farmer, and a photojournalist -- three college friends brought together through their shared love of the mycological world.
What began as a simple love for mushroom foraging and cultivation quickly developed into an obsession with all things fungi. From there, an urban mushroom farm was born, as was the desire to spread the spore to the masses.
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Customer Reviews
5.0 Based on 2 Reviews
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JK
01/19/2025
Jason K.
United StatesI recommend this product
Love it
Helps out
01/19/2025
North Spore
Thanks for sharing, Jason! We really appreciate the review.
DA
12/01/2023
Dom A.
United StatesI recommend this product
Cuts down on using too much aluminum foil!
When I started growing mushrooms, I was told to use aluminum foil and a zip tie to protect grain jars from getting too much moisture in them during sterilization. While it worked, I was always getting holes or finding it awkward to carefully get the zip tie over the foil without tearing, which caused me to use more foil than needed. But then I found these silicone lid covers from North Spore, which are fully reusable and quite durable, so I won't need to replace over and over again. It's a super smart design, and I really appreciate it being offered here.
12/06/2023
North Spore
Thanks for sharing, Dom! We're so glad these covers are working well for you. If you need help with anything, please reach out!
Help us #Spreadthespore
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