Nephelometer O-Ring, Replacement Back Catalog number: 385-0115-01 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended C-DFR Dual Flow Regulator Accessory, for ACTI-VOC and ACTI-VOC PLUS Price on request 6075-0212-25 SCREW PHIL 2-56X3/4 25PAK Price on request GH37C Housing, 37mm, Conductive 3pc, 50/Box Price on request