Big Horn 11600-  6 x 1 Inch Universal Adapter Simply cut at the diameter you need Adapts to the size needed to fit your machine port or smaller hose Fits 6-Inch, 5-Inch, 4-Inch, 3-Inch, 2-1/2-Inch, 2-Inch, and 1-Inch Outer Diameters For best connection use hose clamps (not included) Made from durable ABS plastic