Product review (5 stars): Indoor Dryer Vent Works
I was not impressed when I opened the box, but the simple thing works GREAT...  I vent down to our basement during the winter.  Makes the basement warm and smells good.  The plastic cup catches the lint, as long as you keep it filled with water.  Package says clean and fill after ever load.  I clean once a month, but keep the water filled.  It does use a lot of water, but it works better than I would have thought...