Seal, Wash Back Catalog number: 11-1603 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21010 Cartridge Check Valve Housing, 2/pk Price on request CTS-21564 Needle, Uncoated 10 Series Price on request CTS-10711 Alliance Head Plunger Seal Kit, Black, 2/pk Price on request