SQUARE TO ROUND TRANSITION 1.5 9×9/08 SQUARE TO ROUND TRANSITION 1.5 9x9/08 SQUARE TO ROUND TRANSITION 1.5” Deep Category: Sheet Metal Fittings Sub-Category: Transitions Next Product SQUARE TO ROUND TRANSITION 1.5 09x09/09 Previous Product SQUARE TO ROUND TRANSITION 1.5 - 6x6/6