A-B1798911-AI FILTER-PRE CLEANEROne New Aftermarket Replacement Filter Pre Cleaner Fits Briggs and Stratton (B&S) Small Engines This wrap style foam pre cleaner serves as the first layer of protection in the air filtration system Fits Briggs and Stratton (B&S) OHV small engines. Positioned over the main air filter cartridge, it traps dust and debris before they can reach the engine, helping extend filter and engine life. Designed for the new style round air filter assembly used on