Adhesive Synthetic Filter Disc Stickers
20 mm - Sheet of 48

20 mm adhesive synthetic filter disk sticker for mushroom jar lids. These adhesive sticker filters allow for gas exchange while providing filtration down to 0.23 microns. Autoclavable. These filters are disposable (one-time-use) and can be easily adhered to the top of a mushroom spawn jar lid to provide for gas exchange. Filters can withstand sterilization temperatures and are easily removable without leaving residue. These filters will cover any hole up to 3/8" inch in diameter and should be drilled with a 3/8" Forstner drill bit.




$7.95

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