A-B1711785-AI FILTER-A/C CARTRIDGEOne New Aftermarket Replacement Air Cleaner Cartridge Filter Fits Briggs & Fits Stratton Small Engines This air cleaner cartridge filter (A C cartridge) is a direct aftermarket replacement Fits Briggs & Fits Stratton (B&S) small engines used in lawn mowers and outdoor power equipment. The cartridge installs in the air cleaner assembly and filters out dirt, dust, and debris to protect the engine and maintain clean airflow to the carburetor. Compatible