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Hercules® Power Flow™ Heating Oil Energizer is a fuel oil additive that improves combustion efficiency, conserves energy and reduces fuel oil waste in heating systems. It dissolves sludge and inhibits rust formation in the fuel tank. Each 16-ounce container treats up to 275 gallons of fuel oil. Behold the power of Hercules®, products built to last and trusted by plumbers to withstand even the toughest conditions.
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