This K&N Universal Clamp-On Air Filter is a high performance air filter that is designed to fit most vehicles. The filter is made of durable cotton gauze material and features a round tapered shape with a 6-inch (152mm) diameter and a 4-inch (102mm) flange inside diameter. It comes with a 1.87 oz (55ml) re-oiling amount and is pre-oiled for optimal performance. The flexible frame design allows for easy installation and the filter is washable for long-lasting use. This product comes in a box and is sold as a package quantity of 1. It has a 1-year manufacturer warranty and is made in the United States.