Plunger Seal, Black Back Catalog number: CTS-20612 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-5559 Priming Syringe Needle Price on request CTS-21526 Jig, Diaphragm Price on request CTS-21095 Seal Wash (0.0787 ID, Fixed, Bio), 2/pk Price on request