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 PL7050600 MarvelXACT PLS 50µm x 600mm Price on request CTS-5531-05 Solvent Bottle Filter, 5/pk Price on request CTS-11435 Seal, Needle PEEK™ Price on request