A-B1272235S-AI FILTER-A/C FOAMOne New Aftermarket Replacement Foam Air Filter Fits Briggs & Fits Stratton (B&S) Small Engines This foam air cleaner filter Fits Briggs & Fits Stratton Classic, Sprint, and Quattro vertical shaft small engines commonly found in walk behind lawn mowers and outdoor power equipment. The foam element captures dust and debris before they enter the carburetor and combustion chamber, protecting the engine and maintaining clean airflow for consistent