Product review (5 stars): Dryer Vent - new and innovative
Was replacing old dryer vent, and came across this one, a bit different but great design and does what it says. My goal was to keep outside air from coming in to the dryer, for us in TX, will be more noticeable for us in winter where it was most noticeable cold air in dryer. I will say it's rather large, so look at dimensions carefully.  When I got it, comparatively, it's close to the size of a gallon of milk.

The install was pretty easy, I did have to buy an 4" extension piece at the Depot, and it does sit away from my brick wall about a half inch (which I just siliconed up the gap nicely).  The screws that came with it are pretty short, so did have some longer ones handy that I ended up using.  I did use a drill to put the screws in, and did use an extension on my drill bit as getting the drill close to the lower curved pipe was in the way (wanted to get the screw in nice and square without stripping it).

As it's an off-white color, it really stands out on the wall so I camo'd it using a red and burgundy Krylon spray paint for plastic (that came out okay but I'm no artist, wife was good with it so we're good) and I'll try to upload a picture so you can see it.  I did see the comment on the lid flying off, and I can see where that might happen on a very windy day and it's not a lid you can find a replacement for (without buying a new unit) so I ended up putting a screw on the upper bracket to secure it a bit more in place (will try to put picture of this as well).

Now just waiting for my neighbors to start asking what the hell that thing is on my wall...  :)