Check Valve Cartridge, Ceramic Ball & Seat, 2/pk Back Catalog number: 11-2401 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-A11376 Mixer Assembly, 100μL Price on request 11-4121 Ceramic Plunger Holder Assembly, LC-10ADvp Price on request CTS-21171 Rotor Seal, H-Assy, 6 Port 2-Position Price on request