Filter, 37mm, 0.4µm, Polycarbonate, Plain White, 1 Back Catalog number: GFPC4537 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800061 Cyclone, Dorr-Oliver, 10mm - Nylon (1.7LPM-US) Price on request 811-9929-01 Inhalable Dust Sampler, GSP-3.5 Conical Style (100 Price on request 200260-25 Filter-25Pk, Internal LFS Price on request