Even pleats and more media: Inner filter element features even pleats and a higher amount of media, ensuring high efficiency in capturing contaminants and providing a longer time period between service intervals Extended engine life: The additional filtering provided by the inner filter element reduces wear and tear on the engine, prolonging its lifespan and reducing maintenance costs Easier maintenance: The secondary air filter element is designed for easy removal and replacement, making routine maintenance simple and hassle-free, saving time and effort for the customer Compatibility: Generally compatible with ZTrak mower and lawn & garden tractor Product Dimensions Weight 1.37 lb Height 4.3 in Width 8 in Length 8.5 in Model Compatibility: 777 797 X475 X485 X575 X585 X700 X710 X720 X724 X728 X729 X730 X734 X738 X739