Our plastic autoclavable wide mouth mason jar lids are built to be functional and affordable. Designed specifically for liquid culture cultivation, they feature a hydrophobic PTFE filter which can be held upside down and not leak. Our lids feature super heavy duty medical grade self-healing injection ports, and we seal each hole with high temperature silicon. Each lid comes with a reusable silicon gasket ring for an airtight seal. This type of lid must be left a 1/4 turn open when pressure cooking, and fully tightened when cooled.

1/2" heavy duty self-healing injection port
wide mouth polypropylene plastic autoclavable lid
sealed using high temp red RTV gasket silicon
.45um PTFE air-exchange filter
silicon gasket ring for an airtight seal

PLEASE NOTE: If you are looking for a higher quality lid that will last much longer, checkout our new stainless steel metal ProLids here:
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Joined Oct 2022
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Mushroom liquid cultures substrates spawn and mycology supplies

Liquid Fungi is a full-service microbiology laboratory focusing on liquid suspended biological samples and commercial sub-strain isolation services. Our live liquid mushroom cultures are lab procured from the finest commercial samples in the world. Each culture is tested and guaranteed 100% contaminate free or we will replace it. Liquid Fungi follows strict sterility practices to ensure our customers receive a contaminate free product. All cultures are procured under a laminar flow hood. Each syringe contains a proven high-output isolated sub-strain for maximum yield and minimum incubation time..

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