Quartz Lens Back Catalog number: CTS-8068 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21169 Assy, Capillary, 90mm x 0.17mm ID, w/Fittings Price on request CTS-21145 Inlet Check Valve Price on request CTS-10985 600/610 Performance Maintenance Kit Price on request