Inlet Check Valve Back Catalog number: CTS-A159 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-10988 2690/2695 Performance Maintenance Kit Price on request CTS-21586 1100 Series Essential Pack, G1310A/G1311A Pump Price on request CTS-21287 Needle Kit, 15 µL with Needle Seat and Needle Guid Price on request