Needle Assembly Back Catalog number: 11-3883 Availability: In the manufacturer's stock Price on request - + Recommended 11-2587 Piston Seal Wash Seal/Priming Valve Seal Price on request 11-2401 Check Valve Cartridge, Ceramic Ball & Seat, 2/pk Price on request CTS-A11135 50μL Std. Zirconia Mixer Price on request