SQUARE TO ROUND TRANSITION 1.5 22×22/10 SQUARE TO ROUND TRANSITION 1.5 22x22/10 SQUARE TO ROUND TRANSITION 1.5\” Deep Category: Sheet Metal Fittings Sub-Category: Transitions Next Product SQUARE TO ROUND TRANSITION 1.5 22x22/12 Previous Product SQUARE TO ROUND TRANSITION 1.5 22x22/08