Nephelometer O-Ring, Replacement Back Catalog number: 385-0115-01 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended GF25120 Filter, MCE 1.2µm 25mm, 100/Pack Price on request 800274-230 Printer Module Kit, 230V (with paper, charger, & c Price on request GCO37050-2 Housing, 37mm, 2Pc, 50/Box Price on request