Product review (5 stars): Easier install, tighter fit against the wall
Excellent solution for dryer venting. Let me get my dryer four inches closer to the wall. Every inch helps! And it makes the job neater and easier, too. To make adjustment easier, squirt a little WD-40 into the swivel joint before you install. Also use aluminum tape for a tighter seal -- clamps alone aren't enough (though you need them too.)