Sapphire Plunger Back Catalog number: CTS-11297 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21469 250 μL Syringe, High Pressure Price on request CTS-21169 Assy, Capillary, 90mm x 0.17mm ID, w/Fittings Price on request CTS-21463 Check Valve Cartridge, Ceramic, 2/pk Price on request