· Ideal for redirecting airflow in HVAC systems, this durable 45-degree elbow connector ensures a secure and efficient connection between ducts, pipes, and hoses with a 3-inch diameter. It can be connected to exhaust fans, any ducts or conditioning systems.· The diameter for each opening is 3.15" Inches male fit, 45-degree angle. The seamless connections make this product very user-friendly. Installing this connector is easy and fast, so you can get your ventilation up and running in no time. A smooth inner surface will reduce unnecessary friction and wind resistance.· Constructed from quality galvanized steel, this 45-degree elbow connector is designed for easy installation. Simply push-fit it with straight or flexible pipes, vents, and connectors, and secure it with a steel clamp.· Engineered for a perfect fit, it ensures a tight, leak-proof connection that prevents air leakage and maintains system efficiency. Don't worry about leaking air after installation.· The push-fit design allows for straightforward installation with straight or flexible pipes, vents, and connectors. Suitable for use in a variety of settings, including residential, commercial, and industrial environments, making it a versatile choice for ductwork projects.