Listen folks this product is amazing!!!! If you need solution to noises coming from your neighbor's furnace pipe or heat pump or air conditioning then this is the product you should get!!!! Period!!! I received the indow yesterday and it was packaged perfectly and I was thinking if it could perform just as perfect then my day will be perfect as well..LOL. So, it was beyond perfect and I slept not hearing any noises from the neighbor's furnace heat pipe was a little weird but happy... Thank you Reed and thank you indow for coming out a product that works.. Jim