Needle Guide Back Catalog number: 11-2591 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21169 Assy, Capillary, 90mm x 0.17mm ID, w/Fittings Price on request PL7100350 MarvelXACT PLS 100µm x 350mm Price on request 11-3834 Pump Seal, PE Price on request