Master Flow 14 in. x 20 in Square to Round Transition

Used as a transition from air handler unit to air supply duct run. Connect to Round Duct Pipe or Flexible Ductwork. Flange allows user to secure unit to flat surface. Galvanized steel construction ensures durability 0.5 in. flange aids in securing unit to a flat surface Serves as transition from air handler unit to air supply duct run Made from galvanized steel Half inch flange Install with sheet metal screws (not included) Always seal and insulate ductwork for greater system efficiency and comfort Improve the air circulation of your home with the selection of this amazing Master Flow to Square to Round Transition.