For diesel engine owners who needs maximum engine protection
Only 7 layer-progressive cotton/synthetic media in the world
Provides 99.7 percent filtration efficiency
Washable and reusable
Get the great filtration you've always wanted for your engine by using the AFE Pro-Guard 7 Air Filter. It is made with 100 percent polyurethane construction which can withstand extreme engine temperatures. The AFE Pro-Guard 7 Air Filter is the only filter in the world that features 7-layer progressive, cotton synthetic media. Its layer media has a unique combination of 5 layers of cotton gauze and 2 layers of synthetic fibers, which both provide up to 99.7 filtration efficiency for your engine. With this high filtration efficiency, you are guaranteed to have a better air flow which translates to more power to your engine.