This is brand new unused 242 Model Type 30 Ingersoll Rand compatible Cylinder Air 2.5″ HP 32233579. Please refer #25 in picture. Please note, picture shows in listing is just diagram for your reference. This kit include part #25 from the diagram. This is not a Ingersoll Rand parts but it is compatible and fits to IR Air Compressors. This is a Private-label parts.