This K&N air filter element with part number 29400400 is designed to fit the Screamin' Eagle Extreme Ventilator. It is made in the United States and features an oval shape. This air filter is compatible with various motorcycles and scooters. Its brand, K&N Filters, is well-known for producing high-quality air filters that provide excellent filtration. The air filter is an essential component of your motorcycle's engine, and this K&N air filter will help to keep your engine running smoothly.