Quantity: Includes three elbow connector air heater duct connectors for replacement or spare use. Dimensions: Each connector measures 2.36 inches in length as specified in the product title. Function: Designed to connect air heater duct sections at an elbow angle for proper airflow routing. Application: Intended as a functional replacement part for air heater duct systems requiring elbow-style connections. Type: Air heater duct connector with elbow configuration, matching the form and function of the component., Manufacturer: OJSqkuqve