47593354001 is the complete air filter housing used on the Ingersoll Rand RS11-22i and RS15-22n rotary screw compressors.
The filter housing will include an internal element. If you are only in need of the filter element and not the entire housing, you would want to filter element #47593353001
Changing the air filter will prolong the life of your compressor by protecting the inlet and airend on the inside of the compressor. Proactively changing the air filter will also increase your energy efficiency by not restricting the inlet airflow going into the air compressor.
47593354001 is an OEM part from Ingersoll Rand.
Part #: 47588101001
Part #: 22861116
Part #: 47694919001
Part #: 49024201
Part #: 47581604001