Plunger Seal, Black Back Catalog number: CTS-7162 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-2401 Check Valve Cartridge, Ceramic Ball & Seat, 2/pk Price on request CTS-21264 Uncoated Needle Kit Price on request CTS-10963 Gold Plunger Seal Price on request