Comprehensive Compatibility: The For Briggs & Stratton 797033 Air Cleaner Cartridge Filter is designed to fit a variety of Vanguard Single Cylinder Engines. This includes popular models such as 13H132, 13H152, 13H157, 13H332, 13H336, 13H337, 13H352, and more. By ensuring a proper fit with OEM specifications, this filter combo works to maintain optimal engine performance, making it an essential addition for those looking to enhance their equipment's longevity and efficiency. Air Filter and Pre Filter Combo: This package includes two high-performing For Briggs & Stratton 797033 air filters and two pre filters. The pre filter acts as a first line of defense for the air filter, capturing larger particles and extending the life of your air filter. This combination helps to improve air filtration and overall engine performance, ensuring your engine runs as smoothly as possible. OEM Standard Quality: Manufactured to meet original equipment manufacturer (OEM) standards, the For Briggs & Stratton 797033 filter ensures that your engine receives the best possible air quality. These filters are factory designed for an exact fit and function, so you can be assured that you are using parts that fulfill the demands of your engine without compromising performance or reliability. Convenient Size for Easy Installation: The dimensions of each air cleaner cartridge filter are 4 1/2" in length, 2 11/16" in width, and 2 3/8" in height. This compact sizing allows for easy installation in various engines, while separate packaging ensures hassle-free storage and accessibility whenever you need to replace your filters. No more struggling with oversized or improperly fitting filters! Complete Replacement Set: Each purchase includes two air cleaner cartridge filters and two pre filters, providing an efficient and convenient solution for your equipment's air filtration needs. With various model compatibility, including B&S OEM codes 797033, 4239, and 798504, this set ensures you have everything required for a quick and effective replacement to keep your equipment running smoothly.