Cedar Heated Deck Mount Bird BathWater is a vital resource to birds in the winter. Offer fresh water to birds through the winter months with a heated pan. Long lasting Western Red Cedar frame, 20 inches diameter. Two triangular mounts are adjustable for deck railing, up to 14 inches. Guaranteed to provide your birds with water down to 10 degrees F or 23 C. The insulated 60 watt heating element is thermostatically controlled, enclosed and sealed inside the pan, and activated when