Behlen Country AHW80 Insulated Cattle/Horse Waterer with Heat Thick styrofoam floor keeps the frost line below the waterer Urethane in the walls provides over four times the insulation of competitors models (tested to -20 f) Double-insulated design eliminates the possibility of stray voltage Built-in hold downs, removable drain plugs, and easy access doors Fully assembled, ready to install. 28-inch by 18-inch by 30-inch