Description Description Diaphragm: 7 cm (23/4) Neoprene Gauge: 5.1 cm (2) Valve Outlet: 0.6 cm (1/4) NPT Body Outlet: 0.6 cm (1/4) NPT Heavy-Duty Single-Stage Gas Regulator Mfg Website: obi2.vwrsp.com/catalog/product/index.cgi?catalog_number=55850-205 This flow valve was deinstalled from a company that closed operations in September 2005. This item was well maintained and is in very good condition. . View AllClose