Cassette, 37mm, 3pc, 0.8µm MCE 50/Box Back Catalog number: GCU37080 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended GB37R1000 Band, 37mm Shrink, Red 1000/Pack Price on request 375-0009-01 Carrying Case for Nephelometer Price on request 911-0502-EU-R Single Unit Charger w/ Power Adapter, USB Gilibrat Price on request