Cartridge, Intelligent Valve Back Catalog number: CTS-A11336 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-11435 Seal, Needle PEEK™ Price on request CTS-0069 Tubing, Head to Tee Price on request CTS-2294-04 Plunger Seals, 4/pk Price on request