Filter, 37mm, 0.2µm, Polycarbonate, Plain White, 1 Back Catalog number: GFPC0237 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9932-02 Cyclone, Filter Cassettes, 37mm, European style fo Price on request 380-0015-01 Screwdriver, Reversible, GilAir-3/GilAir-5/BDX-II Price on request 297-0012-01 USB Communications Cable for Nephelometer Price on request