None 4 in. Oval To Round Adapter Air Tight

The 4 in. galvanized Oval to Round Adapter allows for an easy connection of round dryer duct to oval in-wall duct. Made from durable aluminum, the Oval to Round Adapter provides a metal-to-metal connection to deliver a higher heat resistance than plastic duct connectors. The adapter can also be easily disconnected for regular cleaning of the dryer duct. Uses our proprietary air tight technology to prevent leakage and improve the efficiency of your appliances.