Synthetic filter discs - 0.22μm pore size, 47, 70 & 90mm (hydrophobic - PTFE)

Hydrophobic (one side). Synthetic filter discs. Ideal for grain and substrate jars and bags. Can also be cut to size. Pore size: 0.22μm or 0.45 μm. Material: PTFE (Polytetrafluoroethylene). Size: 47mm, 70mm or 90mm.

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