Needle Seat, 0.17mm ID, 0.8mm OD, 600 bar Back Catalog number: 11-3857 Availability: In the manufacturer's stock Price on request - + Recommended 11-4143 Lamp, ACQUITY PDA/TUV 2489/2998 Performance Mainte Price on request CTS-10854 Deuterium Lamp (1500 hr) Price on request CTS-10594 Deuterium Lamp (1000 hr) Price on request