Needle Guide Back Catalog number: 11-2591 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-10285 TFE 3-Way Valve 4 (V4) Price on request CTS-10396 Washer Thermo/Dionex™ Model: P1000, P2000, P4000 Price on request PL7025150 MarvelXACT™ PLS 25µm x 150mm Price on request