Filter, 37mm, 0.2µm, Polycarbonate, Plain White, 1 Back Catalog number: GFPC0237 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 385-0114-01 Zero Cap, Black Rubber for Nephelometer Price on request GFPC525 Filter, 25mm, 5.0µm, Polycarbonate, Plain White, 1 Price on request SC-1 Tedlar Bag (0.5L) Price on request