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 PS7050350 MarvelXACT™ PEEKsil™ 50µm ID x 350mm Price on request 11-3321 Wash Seal Gasket, 6/pk Price on request CTS-10548 Gold Plunger Seal, Analytical Heads Price on request