Proheat Heavy Duty Fluid Reservoir Heater Model 1325-220 (500 Watts, 2.1 Amp, 220 Volts) Ideal for Oil Pans from 3 to 6 Gallons of Lube (12 to 25 Litres) and from 20 to 50 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.