Performance Autosampler Needle Back Catalog number: CTS-7550 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-A138 Ceramic Plunger Assembly Price on request CTS-10770 Waste Valve, V3 (2 Way Solenoid Valve) Price on request CTS-11315 Needle Seal, PEEK™ SIL-20 Price on request