There may be a bunch of you that have these but I just found them 2 weeks ago and I just love they way they work. The are easy to clean, easy easy to fill and hold 5 gals of water. I had the old design that were hard to fill and you had to get the lids on just right or they leaked over the side and the valve was always coming off and they were horrible to clean. I could not put one inside the coop with the heat lamp in the winter because they were always leaking and ruining the deep liter. Now the girls and Henry have water all night and it's not frozen in the morning, and have 15 gals of nice water all the time. I saw the ad in Backyard Chickens and went on line and ordered them right away. My hubby says he enjoys using them much more than the old style and I do too!!!!