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 910-1501-NO Gilian 10i,Starter Kit, No Cord Price on request GF37TQ Filter, Tissue Quartz, (99.90% retention of 0.3µm DOP) 37mm, 25/Pack Price on request 910-0102-02 GilAir-5 Basic [ATEX], 5-Pack (With Universal 5-Un Price on request