Tubing D-R Assembly Back Catalog number: 11-4150 Manufacturer: SCIENCIX Availability: In the manufacturer's stock Price on request - + Recommended 11-3795 Sapphire Plunger w/Holder Price on request CTS-A11431-02 Cartridge Check Valve Housing, 2/pk Price on request CTS-12013 Tungsten Lamp (1000 hr) Price on request