Filter, 37mm, 0.4µm, Polycarbonate, Plain White, 1 Back Catalog number: GFPC4537 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 385-0114-01 Zero Cap, Black Rubber for Nephelometer Price on request 801863-171 BDX II Pump, No Charger Price on request 910-0910-EU-R GilAir-Plus Data Logging Single Starter Kit, Bluet Price on request