Piston Seal Wash Seal/Priming Valve Seal Back Catalog number: 11-2587 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-11312 PEEK™ Rotor, HPV Price on request CTS-A121 Outlet Check Valve Price on request CTS-10319 Sapphire Plunger Price on request