Sheath Air Purge Flow Filter for Nephelometer Back Catalog number: 385-0112-01 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 810-0902-01-R Data Logging Pump Only (No Dock) Price on request 375-0009-01 Carrying Case for Nephelometer Price on request GCU3745EF Cassette, 37mm .45µm PVC Endotoxin Free, 10/Box Price on request