PH121205G PowerBlanket heated pipe wrap is self-regulating and is rated for outdoor temperatures as low as -60 deg F/-51 deg C to maintain fluid flow and pumpability. This Roughneck gray alloy vinyl pipe heater is rated for 120 volts, 480/960 watts, and 4.00/8.00 amps. The diameter of the pipe wrap is 12 inches, and it is 60 inches long with a thickness of approximately 0.75 inches. This pipe blanket is UL/CSA/ETL certified in the United States. Online freight charges are subject to change without notice due to fuel surcharge fluctuations. Actual product color may vary from the photo.