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 360-0166-01 Manual, Gilian 800i Price on request 380-0015-01 Screwdriver, Reversible, GilAir-3/GilAir-5/BDX-II Price on request 360-0181-01 Manual, Gilian 10i Price on request