Needle Port Seal, AS-100, ASI-100T Back Catalog number: 11-2642 Manufacturer: SCIENCIX Availability: In the manufacturer's stock Price on request - + Recommended 11-1599 Check Valve Assembly, Outlet Price on request CTS-0620 Outlet Check Valve Cartridge Price on request CTS-21010 Cartridge Check Valve Housing, 2/pk Price on request