Photo 1 of RDUIGT Rectangular to Round Duct 6'' Dia x 3-1/4" x 10'' L Microwave Vent Kit Galvanized Transition for Connecting Duct Fittings

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Photo 1 of RDUIGT Rectangular to Round Duct 6'' Dia x 3-1/4" x 10'' L Microwave Vent Kit Galvanized Transition for Connecting Duct FittingsPhoto 2 of RDUIGT Rectangular to Round Duct 6'' Dia x 3-1/4" x 10'' L Microwave Vent Kit Galvanized Transition for Connecting Duct Fittings