Product review (4 stars): It's a Snap!
Update:  Still like it but it came loose 2 times from vibrations so ended up drilling 2 holes and zip screwed to to the dryer outlet vent pipe.

Original: This product works very well.  I used it on the dryer end and for the wall I used the Dryer Dock.  Snap to is extremely easy to install, it's a snap. I think the Dryer Dock gives a better look at the wall end.