“Winchester Galvanized Steel RAB 21 Duct Part for Side Return Air Application, 26 Gauge, 21-in x 28 RAB21” has been added to your cart. Continue shopping Remove item Thumbnail image Product Price Quantity Subtotal × Winchester Galvanized Steel RAB 21 Duct Part for Side Return Air Application, 26 Gauge, 21-in x 28 RAB21 $165.58 Winchester Galvanized Steel RAB 21 Duct Part for Side Return Air Application, 26 Gauge, 21-in x 28 RAB21 quantity $165.58 Update cart Cart totals Subtotal $165.58 Shipping Enter your address to view shipping options. Calculate shipping Country / region Select a country / region… United States (US) State / County City: Postcode / ZIP: Update Total $165.58 Proceed to checkout