Pirit PWL-03-25 25-Feet Heated Hose No more frozen hoses Provides constant source of water in freezing temperatures Thermostatically controlled Turns on when temperatures are below 45 degrees Turns off when temperatures are above 50 degrees Made from drink-safe PVC Keeps water from freezing down to minus 42-Degrees Fahrenheit New tougher thermostat 5/8 in. Diameter