This Stihl OEM Specialty Tool is a must-have for those who use ethanol or alcohol fuel in their outdoor power equipment. With its easy-to-use design, this Ethanol/Alcohol Fuel Tester will help you determine the quality of the fuel you're using in your chainsaw or other outdoor power equipment. The Stihl Ethanol/Alcohol Fuel Tester measures the percentage of ethanol or alcohol in your fuel and is compatible with all types of outdoor power equipment.
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