Vacuum Suction Reducer

This is the first thing I've planned and designed. Learning the basics of Sketchup along the way. It is for a Hoover Windtunnel Pro which has WAY too much suction for our rugs, you can hardly move the thing when vacuuming. I needed a way to reduce said suction and this is what I came up with :0). The V1 ring had a triangle cut into it for a progressively bigger opening, unfortunately even fully opened it still wasn't reducing the suction enough for our carpets. Hence the v2, though for now