Feature●Diameter:65mm,0.3um Pore size,Hydrophobic PTFE membrane,waterproof and air exchange for Mushroom cultivation.●Fit for 70mm regular mouth split type Mason Jar lid,directly stick on the ring .●High filter rate: these adhesive patches have a filtration rate of 99.97% ,can filter 0.3 μm object ,for gas exchange and keeps contamination out●High temperture resistance:these disc filters feature outstanding heat resistance and pressure resistance, which can be applied to your autoclaves,press cooker and steam sterilizer.●Strong adhesive: need to clean and dry the surface before sticking filter patchDescription
Size: 65 mm in diameter
Color: white
Membrane material:Hydrophobic PTFE
Pore size:0.3um
Quantity: 18pcs
Synthetic filter discs Features: Waterproof ,breathable,high temperture and press resistance,reuseable. 18pcs filter sticker Included ,Great for the for all mushroom growers looking to provide a sterile growing environment with proper air exchange. These filter vent work great for a variety of growing techniques including BRF Jars, Liquid Culture, Spawn Cultivation and may more. Safe for Pressure Cooking and Autoclave Sterilization.