FNN1024: Features: -Submergible tank de-icer-Traditional submergible de-icier for use in stock tanks up to 300 gallons-Thermostatically controlled to operate only when necessary-Designed to rest in the bottom of the tank unnoticed by livestock-Guaranteed for 1 year-Traditional submergible de-icier for use in stock tanks up to 300 gallons. Options: -Available in 1000 watt and 1500 watt sizes. Dimensions: -1000 Watt weight: 3.2 lbs-1000 Watt dimensions: 6.25" H x 10.5" W x 10.5" D-1500 Watt weight: 4 lbs-1500 Watt dimensions: 6.5" H x 14" W x 13.5" D.