This Ingersoll Rand OEM inlet air filter element should be changed a minimum of once per year. It is advised to change the inlet filter more often If your compressor is located in a dirty environment with lots of dust. Changing the air filter will prolong the life of your compressor by preventing debris from getting inside the cylinders and pistons. Proactively changing the air filter will also increase your energy efficiency by not restricting the inlet airflow going into the air compressor.
Included inside the filter is a wire mesh reinforced support structure and rigid expanded metal core for improved strength and rigidity in heavy-duty applications. The needle-felt media that offers exceptional particle capture characteristics and very low restriction to air flow
Found on the following models
32170979 is an OEM part manufactured by Ingersoll Rand,
38436721
95099453
22090112
97339303
32170953
32012957
32230542
32165466