A-B15434K-AI FILTER-A/C FOAMOne New Aftermarket Replacement Foam Engine Air Filter Fits Briggs and Stratton Small Engines This foam element air cleaner filter protects Fits Briggs and Stratton (Fits Briggs & Fits Stratton) small engines against the destructive effects of dirt and debris ingestion. Designed for use on vertical shaft engines found in push mowers and other outdoor power equipment, the filter fits inside the air cleaner housing and must be lightly oiled with fresh