Product review (5 stars): slides out to fit the window opening and works like a dream
I needed to vent a new dryer I purchased out of a window, I found this product and after using it for two months I find it review worthy. This vent is heavy duty, slides out to fit the window opening and works like a dream, when I have to dry a load of laundry I lift up the window screen and secure it with a clothes pin, put the vent that's attached to a flexible dryer hose into the window, close the window to the top of the vent and turn the dryer on and remove it when I'm done, the vent is made so well I expect it will last for years. I just wish it didn't cost so much but I wouldn't hesitate to buy another one as a gift for someone or recommend it as a great alternative to drilling a permanent vent opening thru a wall.

Update; Well it finally happened I put wet clothes into the dryer and lifted the vent to put into the window, my hands were wet and the vent slipped out of my hands falling approximately 40 inches to the tile floor after bouncing off my dryer, the dryer has a small scratch and the tile has a small dent in it but the vent suffered no damage at all and that my fellow reviewers is how well this vent is made.