The Shindaiwa A020000220 Water Pump Carburetor & Air Filter Assembly supports proper fuel delivery and clean airflow for compatible water pump engines. The carburetor mixes fuel with incoming air in the required proportion for combustion, while the air filter helps remove dust and debris before air enters the engine. Working together, these components help support reliable starting, s... https://www.wholetoolbox.com/shindaiwa-a020000220-water-pump-carburetor-air-filter-assembly/A020000220.html