Filter Cap, Replacement for Nephelometer Back Catalog number: 385-0113-01 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended GF37TQ Filter, Tissue Quartz, (99.90% retention of 0.3µm Price on request 810-0801-01 Gilian 5000 Pump Kit UL ATEX, Pump Only, No Charge Price on request 811-1004-01 PM-2.5 Impactor Kit, Replacement for Models 810-10 Price on request