42361204 Ingersoll Rand separator element should be changed every 4,000 hours or once per year. The separator filter removes oil from the airstream before the air is sent downstream. Proactively changing the separator element will reduce the pressure drop across the sump tank, increasing your energy efficiency and preventing oil from getting into your air dryer or production equipment. When changing the separator element, it is also recommended to change the compressor oil, oil filter, and air filter element.
This is an OEM separator element manufactured by Ingersoll Rand.