Filter, 25mm, 0.8µm, Polycarbonate, Plain White, 1 Back Catalog number: GFPC825 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 910-1501-EU Gilian 10i,Starter Kit, EU Cord Price on request 910-1505-EU Gilian 10i, 5-Pack Kit, EU Cord Price on request 375-0009-01 Carrying Case for Nephelometer Price on request