HPMV Gold Seals, 2/pk Back Catalog number: CTS-10692 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-2891 PTFE Diaphragm, 2/pk Price on request CTS-12013 Tungsten Lamp (1000 hr) Price on request CTS-2324 Needle Wash Frit Price on request