Lamp, ACQUITY Arc/UPLC PDA Performance Maintenance Back Catalog number: CTS-21280 Availability: In the manufacturer's stock Price on request - + Recommended CTS-10759 Piston Seal Backup Ring Price on request 11-2891 PTFE Diaphragm, 2/pk Price on request 11-2525 1/4" Short Comp. Screw (Gold-Plated), 10/pk Price on request