Tungsten Lamp Back Catalog number: 11-3343 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-A11133 Tube Assembly, Transducer to Check Valve Price on request CTS-10692 HPMV Gold Seals, 2/pk Price on request CTS-A11095-02 UPLC Check Valve, Double Ball & Seat, 2/pk Price on request