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 385-0113-01 Filter Cap, Replacement for Nephelometer Price on request 911-9901-EU-R Single Unit Charger w/ Power Adapter, USB GilAir-3 Price on request GF37080 Filter, MCE, 0.8µm, 37mm, 100/Pack Price on request