Sapphire Plunger Back Catalog number: CTS-10319 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-4048 PEEK™ Needle Seal, SIL-30AC, SIL-30ACMP Price on request CTS-21469 250 μL Syringe, High Pressure Price on request CTS-21463 Check Valve Cartridge, Ceramic, 2/pk Price on request