64Pcs 20mm Diameter Synthetic Filter disc Hydrophobic PTFE Membrane 0.3um Pore Size Strong Adhesive for Mushroom Cultivation sold2026 Simply drill a hole and

Simply drill a hole and thread into place with the included drive tool

and 5/16-inch (8mm)

This makes the installation more permanent and reliable

this set comes with a wooden case

TT-S-01543A

64Pcs 20mm Diameter Synthetic Filter disc Hydrophobic PTFE Membrane 0.3um Pore Size Strong Adhesive for Mushroom Cultivation sold2026 Simply drill a hole and64Pcs 20mm Diameter Synthetic Filter disc Hydrophobic PTFE Membrane 0. 3um Pore Size Strong Adhesive for Mushroom Cultivation Specifications: Size: 20 mm in diameter Color: white Membrane material: Hydrophobic PTFE Pore size: 0. 3um Package includes: 32 x2 sheets Synthetic filter discs Features: Waterproof ,breathable,high temperture and press resistance,reuseable. 64pcs filter sticker Included ,Great for the for all mushroom growers looking to