12 Synthetic Filter Discs for' Wide Mouth' 87mm jar lids Used for Mushroom Cultivation
- synthetic filter discs(filter disk): can be used within a pressure cooker, steam sterilizer or autoclave.
- synthetic filter discs (filter disk 85mm)are reusable, highly durable and have a filtration rate of 99.97% that means they will filter down to .3 microns..
- synthetic filters discs fit precisely on any wide mouth 87mm canning jar which are commonly used by today’s cultivators.
- 12 Synthetic Filter Discs 85mm Superior to Tyvek filter discs “Wide Mouth” Size Used for Mushroom Cultivation.
- designed for 87mm wide mouth jar lids, you can also DIY them into regular mouth size or any other smaller sizes.