Seal Extension Tube Back Catalog number: 11-2569 Manufacturer: SCIENCIX Availability: In the manufacturer's stock Price on request - + Recommended CTS-A159 Inlet Check Valve Price on request CTS-21287 Needle Kit, 15 µL with Needle Seat and Needle Guid Price on request 11-4122 PTFE Diaphragm, LC-30AD/i-Series, 2/pk Price on request