The Floating De-Icer keeps your pond completely ice-free, allowing fresh oxygen to reach your pond for healthy fish! Thermostatic control coupled with thermal feedback protects the unit from overheating. The thermostat is positioned above the heating element for safety in low-water conditions. The float is completely enclosed in a rugged, plastic housing and will not sink over time. Strong stainless steel heating element. Recommended for 70-100 gallons of water. Includes 15-foot cord with anti-rub protector.