O-Ring, PTFE Back Catalog number: CTS-11092 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-12016 Compression Screw, 1/16", SS, 10/pk Price on request CTS-12013 Tungsten Lamp (1000 hr) Price on request 11-1599 Check Valve Assembly, Outlet Price on request