Seal Extension Tube Back Catalog number: 11-2569 Manufacturer: SCIENCIX Availability: In the manufacturer's stock Price on request - + Recommended CTS-A094 Check Valve Cartridge, 2/pk Price on request CTS-11141 ACQUITY SM Performance Maintenance Kit, 700005236 Price on request PL7050350 MarvelXACT PLS 50µm x 350mm Price on request