250μL Syringe Tip Back Catalog number: CTS-3195 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-10322 Ceramic Plunger Price on request CTS-3209 Syringe Seal, 250μL/2500μL Price on request CTS-10493 Check Valve Cartridge, 2/pk Price on request