• Extremely efficient low wattage pond de-icer, tested for use in waters as cold as -30°F.
• For ponds up to 1,000 gallons. Using as little as 100 watts this heater maintains hole in your pond's surface during the winter months for only pennies a day!
• Features a built in thermostat and will melt ice in a 2-4 ft. area to vent a pond, but will not heat water above 35 degrees in the pond!
• Safe for use with fish and aquatic plants, also safe with rubber and plastic pond liners!
• Wattage: 100 Watts.
• Dimensions: 12" L x 12" W x 4" H.