Filter, 37mm, 0.2µm, Polycarbonate, Plain White, 1 Back Catalog number: GFPC0237 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended GF25500PVC Filter, PVC, 5.0µm 25mm, 100/Pack Price on request 375-0009-01 Carrying Case for Nephelometer Price on request 811-9929-01 Inhalable Dust Sampler, GSP-3.5 Conical Style (100 Price on request