Plunger Seal, Black Back Catalog number: CTS-7162 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-10772 Pump Seals, Low Pressure Price on request CTS-10391 Plunger Wash Seal Price on request CTS-21015 Ferrule, 1/16", SS, 3/pk Price on request