Cassette, 37mm, 2 pc, 0.8µm Polycarbonate, 50/Box Back Catalog number: GC728PC Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 385-0112-01 Sheath Air Purge Flow Filter for Nephelometer Price on request 910-0914-EU-R GilAir-Plus Data Logging 3-Pump Starter Kit, Bluet Price on request GCO37DNL Band, 37mm Shrink, White, 1000/Pack Price on request