POWERTEC 70139 7 Step Universal Reducer, 6-Inch to 1-Inch Seven-step down adaptor which accommodates and securely fits a variety of different sized hookups Overall size: 9-1/2-Inch length by 6-Inch width and 6-Inch diameter Step outside diameter: 6, 5, 4, 3, 2-1/2, 2 and 1-Inch Tough, durable ABS plastic material