Needle Seal (For pH 1-14, for operation up to 130 Back Catalog number: CTS-21089 Availability: In the manufacturer's stock Price on request - + Recommended PL7050350 MarvelXACT PLS 50µm x 350mm Price on request CTS-0037 Tube, Left Inlet Pigtail Price on request CTS-0069 Tubing, Head to Tee Price on request