Plunger Seal, Black Back Catalog number: CTS-20612 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended PS7025150 MarvelXACT™ PEEKsil™ 25µm ID x 150mm Price on request CTS-A138 Ceramic Plunger Assembly Price on request CTS-5656 Sapphire Plunger Price on request