High ether content starts gas and diesel engines fast. Starting fluid with upper cylinder lube and corrosion inhibitor. Safe for oxygen sensors and catalytic converters. For use in cars, trucks, snowmobiles, snow throwers, marine engines, etc. EPA registered.WARNING: Cancer - For E-Commerce Sales: This product can expose you to Naphthalene(CAS# 91-20-3) which is known to the State of California to cause cancer.For more information go to