1/2 MNPT G style couplers are used in applications that require over 60 SCFM. There are two Milton G style couplers, but both will function the same with G style plugs. G style couplers are the highest SCFM rated coupler. 1/2 Basic flow size Maximum inlet pressure of 300 pounds per square inch 1/2 male national pipe thread Air flow of 99 standard cubic feet per minute Made in USA Milton G Style couplers are used in applications that require over 60 SCFM There are two Milton G Style plugs but both will function the same with G style couplers Highest SCFM Rated Coupler UPC 031113153666 030937018168 088020719645 ASIN B0015PMX3G Size Single Color United States Brand Name Milton Unit Count 1.0 Count Item Weight 0.1 Pounds Thread Type NPT Manufacturer Milton Industries Model Number S1816 Material Type Alloy Steel Connector Type Plug Item Type Name Milton s-1816 1/2 Male Body G-Style Exterior Finish Brass Item Dimensions 5.1 x 1.6 x 1 inches Number of Pieces 1 Included Components 1 Milton Branded Product Manufacturer Part Number S-1815-2 Manufacturer Warranty Description 1 Year Warrranty Replace Item Global Trade Identification Number 00030937018168