FILTER OIL 16OZSuper tacky, annoyingly sticky & amazingly good at stopping dirt Increased air flow due to Micro flo technology, thus horsepower increase, by decreasing the resistance of the air traveling through the foam air filter EZ Cleaning in seconds with water and No Toil cleaner Biodegradable and non toxic, so will not harm the environment Waterproof, will not remove from filter with water alone Save $$; filter cleaning and re oiling costs less