Round 14" Black Powder Coated Round Air Cleaner Assembly - Fits 5-1/8" carburetors (Edelbrock, Holley, Demon, Rochester Etc.) - Air cleaner measures 4-1/2" in total thickness - Standard 14"x3" paper filter element - Flat base - Great finishing touch for your Hot Rod, Rat Rod, Muscle Car, or Custom - Flat portion of outer edge on lid is approximately 1-1/2" wide.