Amazon.com: MAXKOSKO Heating Cable for Pipe Freeze Protection, Self-Regulating Heat Tape for Water Pipes for Metal And Plastic Home Pipes, Energy-Saving Heat Trace Cable Keeps Water Flowing at -40°F, 18Ft. 120V :
4-inch Flexwatt Heat Tape (120V, 8 Watt)
Heat Tape Pipe Installation Tape – Radiant Solutions Company
Heat Tape With Auto Thermostat | Theisen's Home & Auto
Radiant Solutions Heat Tape Pro Heating Cable For Roof & Gutter 120V 24FT - Walmart.com
EasyHeat AHB 12-ft 84-Watt Pipe Heat Cable in the Pipe Insulation department at Lowes.com