K&H Pet Products Ice Eliminator Original Birdbath Deicer Natural 2.75" x 6.5" 50W The K&H Pet Products birdbath de-icer safely maintains open water to 20-degree below zero F Natural color and 18-inch cord blend in with nearly every birdbath May be spray painted any color; the existing durable enamel finish is easy to clean K&H Pet Products birdbath deicer is thermostatically controlled using only 50 watts MET Listed