A-B1698369-AI FILTER-A/C FOAMOne New Aftermarket Replacement Foam Air Filter Fits Briggs & Fits Stratton Small Engines This foam element air filter fits the air cleaner housing on select Fits Briggs & Fits Stratton (B&S) small engines used in walk behind lawn mowers and other outdoor power equipment. It protects the engine from dirt and debris ingestion, helping maintain performance and extend engine life. Compatible with plastic air cleaner housings only engines fitted with a