Sapphire Plunger Back Catalog number: CTS-11297 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-10600 Check Valve Cartridge, 2/pk Price on request CTS-21287 Needle Kit, 15 µL with Needle Seat and Needle Guid Price on request CTS-5656 Sapphire Plunger Price on request