Edelbrock Universal Pro-Flo Conical Air Filters are an economical way to ensure your engine is getting clean air, without the expense of buying a new filter every few thousand miles. They are constructed for superior filtration and air flow performance. The Universal Fit Series features triple chrome plated trim for a show-quality look. Available in black, red, white and blue, to complement any engine bay. They are also designed with three inlet adapter rings for use on 3, 3. 5 and 4 inlet tube systems. They also feature the Edelbrock exclusive Pro-Charge(TM) clean strip for easy maintenance. The Pro-Charge strip will let you know when its time to clean your filter. Each filter comes pre-oiled and is washable and reusable. Use Edelbrock Pro-Charge(TM) Cleaning Kit #43600 to clean and re-oil.