Edelbrock Pro-Flo universal conical air filter elements are an economical way to ensure that your engine is getting clean air - without the expense of buying a new filter every few thousand miles. They`re constructed for superior filtration and airflow performance. The filter elements feature triple chrome plated trim for a show-quality look and are available in black, red, white and blue to complement any engine bay. They`re also designed with three inlet adapter rings for use on 3``, 3.5``, and 4`` inlet tube systems. Pro-Flo universal conical air filter elements also feature the Edelbrock exclusive Pro-Charge clean strip for easy maintenance. This strip will let you know when it`s time to clean your filter.