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slide 1 of 2, STP Easy Flow Oil Treatment,
slide 2 of 2, STP Easy Flow Oil Treatment,

STP Easy Flow Oil Treatment

For best results, at every oil change or between oil changes add 1 bottle to 4-5 quarts of oil (approximately 10%). Firmly replace cap on empty bottle and discard in recycling bin. Compatible with conventional and synthetic motor oils.
Contains Zinc Dialkyl Dithiophosphate.