Features: * Meets the following specifications: Material: ANSI/ASTM A-197, Dimensions: ANSI/ASME B.16.3, B16.14, B16.39, Threads: ANSI B1.20.1 * 4-inch size What"s In The Box: * B & K Industries 510-311BC 4-Inch 90-Degree Galvanized Elbow