Seal Extension Tube Back Catalog number: 11-2569 Manufacturer: SCIENCIX Availability: In the manufacturer's stock Price on request - + Recommended CTS-6613 Black Plunger Seal Price on request PS7025350 MarvelXACT™ PEEKsil™ 25µm ID x 350mm Price on request 11-4181 Seal Wash (0.0787 ID, Fixed), 2/pk Price on request