Filtration By Amazing-us

• synthetic filter discs(filter disk): can be used within a pressure cooker, steam sterilizer or autoclave
• synthetic filter discs (filter disk 90mm)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 90mm canning jar which are commonly used by today's cultivators
• 50 Synthetic Filter Discs 90mm Superior to Tyvek filter discs \"Wide Mouth\" Size Used for Mushroom Cultivation
• wide mouth filter discs designed for 90mm wide mouth jar lids, you can also DIY them into regular mouth size or any other smaller sizes