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 PS7025600 MarvelXACT™ PEEKsil™ 25µm ID x 600mm Price on request CTS-A11151 Needle Assembly, PEEK™ Price on request CTS-11149 Needle Seal O-Ring, 002 Kalrez Price on request