Check Valve, Double Ball & Seat Back Catalog number: CTS-A11095 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-11315 Needle Seal, PEEK™ SIL-20 Price on request CTS-A168 250μL Syringe Price on request CTS-21011 Cartridge Check Valve System Kit Price on request