Heat Cable for Pipe Freeze Protection, 3 feet, with Built-in Thermostat and 16 Feet of High-Temp Installation Tape, Heavy-Duty, Self-Regulating, 120 volt - - Amazon.com
Frost King 3 ft. Electric Heat Cable HC3A
Wrap-On Pipe Heating Cable - 3-Feet, 120 Volt, Built-in Thermostat, Low Wattage - 31003 , Green : Tools & Home Improvement - Amazon.com