Plunger Seal Back Catalog number: CTS-10340 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-10548 Gold Plunger Seal, Analytical Heads Price on request CTS-1010T O-Ring, TFE Price on request 11-3832 Wash Seal, PE, 1220, 1260, 1290 Price on request