H2O Animal Hydration Mr. Aqua 5-Gallon Heavy Duty Automatic Waterer with Drain Made from heavy duty, high-density polypropylene and can withstand the toughest punishment. Fence or wall mounts and easy to clean just twist the large drain plug and discharge old waste water. Add a drain hose and direct used water away from drinking area. Rust proof, durable, cleans quickly and is sun resistant. Ideal for your large dog, sheep, goat, cow, horse or other large animal hydration needs. Measures 17-inch by 14-inch across by 10-1/2-inch deep.