10PK Air & Pre Filter Fits Briggs and Stratton 793569 Fits John Deere GY21055Ten New Aftermarket Replacement Air Filters with Pre Filters Fits Briggs and Stratton (B&S) and Fits John Deere Lawn & Garden Engines This value 10 pack includes aftermarket replacement air filter and pre filter sets for select Fits Briggs and Stratton Intek single cylinder OHV engines rated 20 21 HP. The round style, pleated paper air filter cartridge protects the engine from dirt, dust, and debris ingestion, while the foam pre cleaner wraps around