Piston Seal Wash Seal/Priming Valve Seal Back Catalog number: 11-2587 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-A11336 Cartridge, Intelligent Valve Price on request CTS-A11151 Needle Assembly, PEEK™ Price on request 11-4181 Seal Wash (0.0787 ID, Fixed), 2/pk Price on request