Tubing D-R Assembly Back Catalog number: 11-4150 Manufacturer: SCIENCIX Availability: In the manufacturer's stock Price on request - + Recommended 11-2891 PTFE Diaphragm, 2/pk Price on request CTS-10770 Waste Valve, V3 (2 Way Solenoid Valve) Price on request 11-1596 Piston Assembly, Sapphire Price on request