High-Quality Scientific Syringe Filter for Mushroom Spawn Jar Lids. These syringe filters provide an ideal amount of fresh air exchange while at the same time preventing airborne particles from contaminating your spawn. Color may vary. Usage Instructions: Simply drill a 5/32 hole in a canning lid and insert the syringe filter with the narrow
Whatman® GD/X syringe filters, GF/B membrane, pore size 1 μm, diam. 13 mm, non-sterile, pkg of 150 ea WHA68821316 Whatman® GD/X syringe filters, GF/A membrane, pore size 1.6 μm, diam. 13 mm, non-sterile, pk of 150 ea WHA68872502 Whatman® GD/X syringe filters, regenerated cellulose membrane, pore size 0.2 μm, diam. 25 mm, non-sterile, pkg of 150 ea