The BMC Air Filters Panel Air Filters FB140/01 are high-performance air filters designed to improve the air flow and filtration efficiency of vehicles. These panel filters are made with multiple layers of cotton gauze and a special oil treatment to effectively trap dust, dirt, and other contaminants. They are designed to fit perfectly into the air box of the vehicle, providing maximum surface area for air filtration. The FB140/01 filters are washable and reusable, making them a cost-effective and eco-friendly option for vehicle maintenance. They are also designed to last longer than traditional paper filters, providing better engine protection and improved performance. These panel air filters are suitable for a wide range of vehicles and are a popular choice among car enthusiasts and professional racers.