Plunger Seal, Gold Back Catalog number: CTS-2962 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-1106 Inlet Tube Assembly Kit Price on request CTS-10584 Ceramic Plunger Assembly Price on request CTS-21089 Needle Seal (For pH 1-14, for operation up to 130 Price on request