Stainless Steel Grain Spawn Lids - 6 Pack
$39.80
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Stainless Steel Lids do not come with a Self-Healing Injection Port. These lids are designed to keep contaminants out of your grain spawn while providing the proper gas exchange so that your mycelium can thrive. Reusable - Autoclavable Synthetic Filter Paper Sticker for Gas Exchange Each lid comes with a silicone gasket
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