Outlet Check Valve Back Catalog number: CTS-A103 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-10686 Needle Seal, Vespel® Price on request CTS-11335 ACQUITY H-Class QSM Performance Maintenance Kit Price on request 11-1602 Seal, Polyethylene, High Pressure, Piston Price on request