Pro 5R Filter Media: This filter features five layers of pre-oiled cotton gauze media to provide maximum performance. Its progressive layering allows the filter to flow at high levels even when dirty. This media is perfect for street and/or track use. Pro 5R filters are easily recharged with aFe's POWER CLEANER and blue air filter oil. With up to a 68% increase in flow over stock, this Pro 5R air filter features factory-oiled media for maximum performance. Its progressive bump seal design and polyurethane frame makes it extremely durable and simple to install. Washable and Reusable for Multiple Cleaning Cycles Pro 5R Filter Media Features Five Layers of Progressive Oiled Cotton Gauze for Maximum Performance Deep, Open Pleats Allow for Increased Surface Area, Flow, and Dust Holding Capacity Pro DRY S Filter Media: This filter features three layers of oil-free synthetic media and requires no oil during maintenance to provide maximum convenience. Its progressive layering provides great filtration efficiency and dust holding capacity. This media is best suited for street use. Pro DRY S filters are easily recharged with aFe's POWER CLEANER. This Pro DRY S air filter features three layers of oil-free synthetic media, making it our easiest to maintain performance air filter. With a progressive bump seal design and polyurethane frame, it is also extremely durable and simple to install. Washable and Reusable for Multiple Cleaning Cycles Pro DRY S Filter Media Features Three Layers of Progressive Synthetic (Dry) Media for Maximum Convenience Deep, Open Pleats Allow for Increased Surface Area, Flow, and Dust Holding Capacity Rounded Deep Open Pleats: aFe POWER performance air filters use a rounded, evenly spaced pleat design which allows for more usable filter surface area, providing increased flow and greater dust holding capacity.

Progressive Bump Seal:
This pliable sealing surface conforms to even the most uneven filter housing, making for a perfect filter fit and sealing surface every time. This design eliminates the use of gaskets or sealants and always goes back to its original form.

Full Polyurethane Frame:
All aFe POWER flat panel performance air filters are constructed with a full 360-degree polyurethane frame. Unlike other materials that degrade after repeated heat cycles in an engine bay, polyurethane maintains its original molded shape.