A-B1270528S-AI FILTER-A/C FOAMOne New Aftermarket Replacement Foam Air Filter Fits Briggs & Fits Stratton Small Engines This foam air filter element (also known as an air cleaner foam element or pre cleaner) Fits Briggs & Fits Stratton 7 and 8 HP vertical shaft engines. It protects the engine's air intake system by trapping dust, dirt, and debris before they can enter the carburetor and combustion chamber, helping to extend engine life and maintain peak performance on lawn and