Filter, 25mm, 0.2µm, Polycarbonate, Plain White, 1 Back Catalog number: GFPC225 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9930-01 Cyclone, FSP-2 Higgins-Dewell Style Cyclone with E Price on request 811-9929-01 Inhalable Dust Sampler, GSP-3.5 Conical Style (100 Price on request 375-0008-01 Protective Rubber Boot for Nephelometer Price on request