K&H, 2.5 Gallon, Duck Waterer, Give Ducks & Other Poultry Access To Drink Water While Making It Impossible For Them To Play In It, Unique Water Cups Are Designed For Beaks & Bills, Each Cup Has A Removable Filter, Keeps Pens Drier & Cleaner, Reservoir Tank Is Shaped To Deter Perching When Used With Chickens & Other Fowl, Easy Fill Cap On Reservoir Tank, 2 Year Limited Warranty.