A-B1593217-AI FILTER-PRE CLEANEROne New Aftermarket Replacement Pre Cleaner Filter Fits Briggs & Fits Stratton (B&S) Engines This wrap style foam pre cleaner filter wraps around the air filter cartridge to intercept dust, dirt, and debris before they reach the main air filter element. Used on select Fits Briggs & Fits Stratton Commercial Turf and Cyclonic series engines, it helps extend air filter service life and protects the engine from abrasive particle ingestion. Install dry do