Product review (5 stars): Works really well. Well made, but beware of the protective mesh on your roof exhaust!
Excellent product. The sections screw together easily, have the perfect amount of flex (not too soft nor too stiff) to get into exhaust. The brush end is just right size for dryer exhaust pipe and bristles have enough separation to get the brushed lint to drop through the bristles. Worked amazing and now my dryer breathes so much easier and so do I! I feel so much better knowing all that accumulated lint over the years is OUT from bottom to top.

One additional piece of advise is, if you can, get up on your roof or wherever the exhaust is and make sure you remove the little wire mesh thats supposed to protect the exhaust outlet end from critters climbing in. I had at least a 2 thick pad of lint blocking most of the outlet. I removed it completely since I don't think anything will want to crawl in there. And if it does, it will turn into roasted critter once the dryer starts to run. I then made sure that top end was nice anc clean also.