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 11-4169 Deuterium Lamp, High Brightness w/Intelligent Chip Price on request CTS-10494 Long Life Deuterium Lamp (2000 hr) Price on request CTS-10827 Long Life Deuterium Lamp (2000 hr) Price on request