Danfoss RX Cables provide the protection needed to prevent ice dams and
build-up from damaging buildings, roofs, and gutters. Danfoss RX constant watt
cables ensure maximum energy efficiency and are designed for use with metal or
asphalt roofing. It is available in 30 ft, 65 ft, 80 ft, 100 ft, 120 ft, 170
ft, 230 ft and 265 ft.