Pre-Oiled Dual Stage Air Filter. Performance from the bottle to the throttle! NoToil are the inventors and manufacturers of the world's first biodegradable and non-toxic foam filter maintenance system for the motorsports industry. Providing you with more time to go fast. The best filter at the best price. No-Toil Fast Filters offer a great performing air filter for dirt bikes that is inexpensive yet dependable. A high quality, two-stage foam air filter that is pre-treated with No-Toil Evolution biodegradable filter oil. It is perfectly oiled and ready to use right out of the bag. No-Toil Fast Filter offers greater horsepower and incredible protection for your motorcycle. The Fast Filter is easy to clean with the No-Toil biodegradable foam filter cleaner. No-Toil Fast Filter air filters meet O.E.M. specifications for an exact fit in your air box.