Head Plunger Seal, 2/pk Back Catalog number: CTS-11119-02 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21421 PM Kit, 1290 Binary Pump Price on request CTS-10396 Washer Thermo/Dionex™ Model: P1000, P2000, P4000 Price on request 11-2525 1/4" Short Comp. Screw (Gold-Plated), 10/pk Price on request