Item Tag: filtered spawn jar lid
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10 Mushroom Spawn Lids with Synthetic Filter Disc, Regular Mouth, 3/8in hole SFD
10 Mushroom Spawn Lids with Synthetic Filter Disc, Regular Mouth, 3/8 inch hole SFD. These are NEW. Regular mouth polypropylene PP5 white lids. 3/8 inch hole provides perfect gas exchange. The synthetic filter disc is included and installed in the lid. These filters fit neatly within the rim of spawn jars underneath the lid, allowing…