Plunger Seal, Black Back Catalog number: CTS-20612 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-10285 TFE 3-Way Valve 4 (V4) Price on request CTS-10566 Alliance Head Plunger Seal Kit, 2/pk Price on request CTS-21163 Rotor Seal, 2-Groove Price on request