Sturdy Construction: Our galvanized transition duct is made from high-quality galvanized steel. This material resists rust and high temperatures, helping to extend its service life. Ease of Installation and Maintenance: This pipe transition is easy and efficient to install. Attach one end to the hose using adjustable stainless steel hose clamps, then secure the other end to the rectangular pipe with screws. Improved Ventilation System: The galvanized transition pipe features a smooth interior design that helps reduce airflow resistance, enhancing overall ventilation performance. Sizes: Our microwave vent kit measures approximately 3-1/4 x 10 x 6 inches, designed to connect a 3-1/4 x 10 inch rectangular duct to a 6 inch diameter round pipe. Its leak-resistant and space-saving design makes it suitable for various ventilation applications. Application Scenario: This rectangular-to-round duct adapter provides a seamless transition between rectangular and round ducts, allowing reliable connections to exhaust fans, dryer vents, range hoods, and other ventilation systems. Color: Silver Material: Metal Package Contents: 1 * Galvanized Duct Note: Light reflection and differences in display screens may cause slight variations in color. Measurement error allowance is +/- 1-3 cm.