The Difference Between aFe POWER Air Filter Media
aFe POWER offers four different types of filter media. Three are oiled, and one is dry. Each varies performance, maintenance, and protection, for on and off-road applications. All aFe POWER air filters are washable and reusable.
Oiled Vs. Dry
Oiled filters require regular oiling after cleaning, which is usually around 20k-30k miles. Dry filters do not require any oil.
How does oil improve filter efficiency?
The oil improves filter efficiency by allowing more air to flow through while capturing finer debris. aFe oil is a high-grade blend and safe for your engine. All oiled filters are cleaned the same.
Pro 5R
Maximum Performance
The aFe POWER Pro 5R Air Filter is a blue, oiled filter with 5 layers of progressive cotton gauze media. It’s primarily for street and track use. This is our highest-performing air filter and comes in Original Equipment Replacement Filters, Universal Round Performance Filters, and all aFe POWER Cold Air Intakes.
- Blue Oiled, Washable & Reusable Air Filters
- 5-Layers of Progressive Cotton Gauze Media
- Ideal for Street & Track Driving
- Offers Maximum Flow and Performance
- 98.6% Efficiency Rating (ISO Coarse Dust)
Pro DRY S
Easy Maintenance
The aFe POWER Pro DRY S air filter is an oil-free dry air filter that requires little maintenance. Three layers of synthetic filter media protect your engine while maintaining airflow. This filter is best for street and light off-road use. This filter is designed to run without oil, and oil will damage the media. The Pro DRY S air filter is offered in Original Equipment Replacement filters, Universal Round Performance Filters, and all aFe POWER Cold Air Intakes.
- Oil-Free Dry, Washable & Reusable Air Filters
- 3-Layers of Synthetic Filter Media
- Ideal for Street & Light Off-Road Driving
- Offers Maximum Convenience for Servicing
- 99.2% Efficiency Rating (ISO Coarse Dust)
Pro Guard 7
High Protection
The aFe POWER Pro-GUARD 7 is a gold, oiled filter that offers maximum protection. It’s designed for off-road and diesel applications because it protects best in dusty and extreme conditions. The patented progressive 7 layers are made of both cotton and synthetic material. This media is available in select Original Equipment Replacement Filters Universal Round Performance Filters, and most aFe POWER Cold Air Intakes.
- Gold Oiled, Washable & Reusable Air Filters
- 7-Layers of Hybrid Cotton & Synthetic Media
- Ideal for Off-Road & Diesel Trucks
- Optimized for Dusty & Extreme Conditions
- 99.7% Efficiency Rating (ISO Coarse Dust)
Pro 10R
High Durability
The aFe POWER Pro 10R Air Filter is a blue, oiled filter that offers maximum longevity. This filter has 10 progressive layers of cotton gauze media, and the expanded metal surrounding the filter provides optimal structural integrity. This filter is designed for off-road and diesel applications. Because of the high protection level, you can go more time between cleanings. Pro 10R filters are not available in Original Equipment Replacement Filters but are available as Universal Round Performance Filters and on select applications for aFe POWER Cold Air Intakes.
- Blue Oiled, Washable & Reusable Air Filters
- 10-Layers of Progressive Cotton Gauze Media
- Expanded Metal Reinforcement for Stiffness
- Ideal for Off-Road & Diesel Trucks
- Longest Service Life Between Cleanings
- 99.6% Efficiency Rating (ISO Coarse Dust)
Choosing the Right Filter
To decide on filter media, consider how much protection you need and if you want to re-oil a filter as a part of regular maintenance. See the chart below to compare and contrast our filter media.
Cleaners & Oils
Maintain your engine air filter’s optimal performance with our cleaning and oiling kit. You should clean your vehicle’s filter every 20-30k miles.
*OER = Original Equipment Replacement
Testing & Data
Looking to see how aFe POWER Air Filters compare to each other? We test our filters by their air flow rates, filtration efficiency, and dust-holding capacity.
Our POWER Professionals are Here to Help.
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Call us at 1-951-493-7101 or shoot us an email.
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We're available to talk Mon–Fri 8am–4pm PST.
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Factory Store: 232 Granite St. Corona, CA 92879
