General description This vhbw filter set includes a pre-filter and an air filter, designed specifically for Briggs & Stratton lawnmowers (models 4139, 4142, 28V700, 28T700). These precision-fit filters protect the lawnmower motor from dirt, extending its working life and ensuring optimal performance. Regular cleaning and replacement of the filters are essential for maintaining the efficiency of your lawnmower. Technical specifications Dimensions (width x height x depth): 18.4 x 7.6 x 7.3 cm Material: foam Weight: 185 g Compatibility and accessories Compatible with Briggs & Stratton models: 4139, 4142, 28V700, 28T700 Replacement for: 100 1323, 496894S, 493909, 496894, 496894JD, 496 894, 130 496 894 Usage The pre-filter traps coarse dirt particles before air passes into the main filter, while the air filter improves airflow to the engine, ensuring optimal combustion and reduced engine noise. It is recommended to change the filters when cleaning is no longer effective.