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 patch


Description

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.