Tubing, Pump Outlet, GP Back Catalog number: 11-3602 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-2401 Check Valve Cartridge, Ceramic Ball & Seat, 2/pk Price on request 11-2570 Needle Seat Price on request CTS-11425 Sapphire Plunger Price on request