Outlet Check Valve Back Catalog number: CTS-A103 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-10394 Pump Seal, Black Price on request CTS-11335 ACQUITY H-Class QSM Performance Maintenance Kit Price on request 11-4048 PEEK™ Needle Seal, SIL-30AC, SIL-30ACMP Price on request