Proheat Heavy Duty Fluid Reservoir Heater Model 512-220 (250 Watts, 1 Amp, 220 Volts) Ideal for Oil Pans from 1 to 3 Gallon of Lube (4.5 to 12 Litres) and up to 10 to 30 Gallons of Hydraulic Oil Faster/easier engine cranking in cold weather Easily installs in minutes, peel and stick application No tools required, no hoses to cut! Immediate engine oil pressure! e.g. Heats 6 quarts of oil from -40 deg F to +60 deg F in one hour Heats entire engine from the bottom up! Full three year warranty. Apply to METAL ONLY.