Filter, 37mm, 0.4µm, Polycarbonate, Plain White, 1 Back Catalog number: GFPC4537 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 200789-3 Storage tubing for Gilibrator, Low Flow, pkg 3 Price on request 783-0015-01 Lithium Ion Replacement Battery Pack for Nephelome Price on request 201050-100 Filter, Replacement (Packg of 100), GilAir-3/GilAi Price on request