Plunger Seal Back Catalog number: CTS-21347 Availability: In the manufacturer's stock Price on request - + Recommended CTS-11371 ACQUITY I2V BSM Performance Maintenance Kit Price on request PS7100150 MarvelXACT™ PEEKsil™ 100µm ID x 150mm Price on request 11-4060 Inlet Check Valve Price on request