ACQUITY H-Class QSM Performance Maintenance Kit Back Catalog number: CTS-11335 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21100 UPLC Check Valve Assy, Spring Loaded Price on request 11-1602 Seal, Polyethylene, High Pressure, Piston Price on request CTS-11312 PEEK™ Rotor, HPV Price on request