Performance Autosampler Needle Back Catalog number: CTS-7550 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21085 Rotor Seal, 6 port, -COH Price on request CTS-10759 Piston Seal Backup Ring Price on request PL7050350 MarvelXACT PLS 50µm x 350mm Price on request