This is a M-D Building Products 64501 100-Foot Roof and Gutter Heating Cable!
UL and CSA approved roof and gutter cable designed to prevent ice dams and water damage. Prevents costly water damage from melting ice and snow. Ready to install and attachment clips are included. New low wattage, energy efficient design uses up to 30% less energy than previous designs.
Use with metal, vinyl or plastic gutters and downspouts.