I'm looking for an inexpensive, easy to install system for a series of cages I'm setting up, and I've been searching and searching. I came across these that say they work at any angle. http://www.amazon.com/gp/product/B0...ASIN=B00CX6YB54&linkCode=as2&tag=ladsblo0c-20 But there are no product reviews and not much info. Would they work if they were horizontal? I also came across this site that seems to sell the same ones, only cheaper, but I don't know that company. http://www.aliexpress.com/item/50pieces-nipple-drinker-nipple-drinker-Poultry-Chicken-Duck-Coop-Feeder-Screw-In-360-Degree-for-chicken/964791207.html Does anyone know anything about that site? Are those the same ones as the ones listed on Amazon?