General description vhbw offers a precision-fit air filter set designed specifically for lawnmowers, which includes one pre-filter and one air filter. This compatible filter set helps extend the working life of your lawnmower by protecting the motor against dirt and ensuring optimal performance. Regular cleaning and replacement of the air filter are essential for maintaining the efficiency of your device. Technical specifications Dimensions (width x height x depth): 18.4 x 7.6 x 7.3 cm Material: foam Material (pre-filter): foam Weight: 185 g Compatibility and accessories Replacement for Briggs & Stratton 496894 Replacement for Briggs & Stratton 493909 Replacement for Briggs & Stratton 496894S Usage The pre-filter traps coarse dirt particles before the air is passed into the main filter, while the air filter improves airflow to the engine, ensuring optimum combustion and reduced engine noise. It is recommended to change the filters when cleaning is no longer effective.