Tubing D-R Assembly Back Catalog number: 11-4150 Manufacturer: SCIENCIX Availability: In the manufacturer's stock Price on request - + Recommended CTS-10493 Check Valve Cartridge, 2/pk Price on request 11-1601 Seal, GFP, High Pressure, Piston Price on request CTS-12013 Tungsten Lamp (1000 hr) Price on request