- Safely maintains open water to 20? below zero Fahrenheit.?
- Natural color and 18" cord blend in with nearly every birdbath.?
- Virtually indestructible.?
- May be spray painted any color?Durable enamel finish is easy to clean.?
- Thermostatically controlled, using only 50 watts.?
- Completely safe to handle and use, even in plastic birdbaths.?