Did you ever wonder why your lawnmower uses a foam oil-bath air filter? Well, think about the conditions in which your mower operates. Dusty and dirty all the time, right? The engineers chose a foam air filter for its cleaning ability, and now you can do the same for your car with a True Flow air filter. The True Flow air filter is a foam oil-bath filter, giving you the best possible filtration. But True Flow air filters give you a ton of air flow while they're cleaning. So you end up with fresher air and more of it when you install a performance True air filter. The True Flow air filter works in an ingenious fashion to keep flowing even when dirty. As dirt particles get trapped in the True Flow air filter foam, air simply takes another route around it. There are so many microscopic passages in each True Flow air filter that it's nearly impossible for a True Flow air filter to lose efficiency. And when it's dirty, you simply take your True Flow air filter out, clean it, re-oil it, and reinstall it. You then have a brand new True Flow air filter all over again. But you have to get a True Flow air filter first, and that's where we come in. We offer the best selection of True Flow air filters at the best prices available. So find your application and we'll get your True Flow air filter on its way to you.