Farm Innovators Model HRB-20 Heated Water Bottle for Rabbits, 32-Ounce, 20-Watt, 4.2 x 4.2 x 11.5 inches ; 1 pounds, White;

This 32 ounce heated water bottle is thermostatically controlled to operate only when necessary and prevents water from freezing in subzero temperatures. With a no-drip brass drinking valve, this bottle is perfect for rabbits, guinea pigs, birds or small rodents. Ideal for year-round use. One year limited warranty.