Seal Extension Tube Back Catalog number: 11-2569 Manufacturer: SCIENCIX Availability: In the manufacturer's stock Price on request - + Recommended CTS-11080 Alliant Solvent Mgr PM Kit Price on request 11-4126 Plunger Seal and Back Up Ring Price on request CTS-10711 Alliance Head Plunger Seal Kit, Black, 2/pk Price on request