This 7 step adapter gives you almost every option imaginable for transitions between hoses and fittings of different sizes. Just cut off what ever you don't need with a hack saw.
Steps have the following OD's (outside diameters) - 1", 2", 2-1/2", 3", 4", 5", and 6". As shown the adapter is 9-1/2" long x 6" wide. Imported