This air filter is designed for use with various makes and models of small engine lawn equipment and is an individual part. Designed to prevent unwanted dust and debris from entering the carburetor and engine, this air filter can be replaced by simply removing the filter cover and swapping the old for the new. If your equipment has poor p...Read moreerformance, it is recommended you swap the air filter as a clogged filter can lead to decreased air in the engine, resulting in a loss of power. When replacing, be sure to read the manual for your model for exact placement and rub a small amount of oil into the filter before installing it.