Features: This connector is made of quality materials, with stable and reliable connection, no extra space, durable, and can accompany you through many winters. This connector has a wide range of uses. As a connector connecting ellipse to circle, it can be applied in chimney, air purification system and other places where exhaust and air intake are needed. Specifications: Material: steel Color: black Size: 6 inch Package includes: 1 x Round to oval duct connector Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays