Brand: K&N Manufacturer's Part Number: E-3740 Part Type: Air Filter Elements Product Line: K&N Washable Lifetime Performance Air Filters Air Filter Style: Round Air Filter Outside Diameter: 14.000 in. Height (in): 2.313 in. Filter Material: Cotton gauze Filter Color: Red Quantity: Sold individually. K&N's washable lifetime performance air filters are designed to increase horsepower and acceleration, while providing excellent filtration. K&N makes over 1,200 different replacement air filters for virtually every vehicle on the road. These filters are washable and reusable and are custom-designed to fit into your existing factory air box. Their drop-in design means that adding performance is simple. With most vehicles, you simply remove the disposable air filter and replace it with one of these K&N air filters.