Edelbrock Universal Pro-Flo Conical Air Filters give you an economical option for getting clean air to your engine, without having to shell out every few weeks for a replacement filter. These are designed for superior air flow performance and filtration. The Universal Fit Series combines this advantage with triple-chrome plated trim, to give you the premium look fit for shows. The series comes in black, red, white, and blue to perfectly match any engine design. These filters include three inlet adapter rings, to permit use with 3"-, 3.5"-, and 4"-inlet tubes.