Check Valve Assembly, Inlet Back Catalog number: 11-1598 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21287 Needle Kit, 15 µL with Needle Seat and Needle Guid Price on request CTS-10476 Sapphire Plunger, Alliance Price on request CTS-10772 Pump Seals, Low Pressure Price on request