Needle Guide Back Catalog number: 11-2591 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended PS7100350 MarvelXACT™ PEEKsil™ 100µm ID x 350mm Price on request CTS-00230-02 O-Ring, PTFE Price on request CTS-10493 Check Valve Cartridge, 2/pk Price on request