Synthetic Filter Discs 70mm for a Buchner Funnel and fit Regular Mouth Size Used for Mushroom Cultivation 12
- synthetic filter discs(filter disk): can be used within a pressure cooker, steam sterilizer or autoclave.
- filter disc (filter disk 70mm)are reusable, highly durable and have a filtration rate of 99.97% that means they will filter down to .3 microns..
- planting discs fit precisely on any Regular Mouth 70mm canning jar which are commonly used by today's cultivators.
- 12 Synthetic Filter Discs 70mm Superior to Tyvek filter discs "regular mouth" Size Used for Mushroom Cultivation.
- designed for 70mm wide mouth jar lids, you can also DIY them into regular mouth size or any other smaller sizes.