MAF sensor housing

Welcome to 2CarPros. The picture shows the complete MAF sensor. You remove the air tube from the MAF to the intake manifold and then the three screws that hold the MAF to the airbox. Then the sensor will come free. Some have a very tight seal to the box. If you are just trying to clean it there is no need to remove it fully, just spray the cleaner through from the outside of the airbox. Be careful not to damage the honeycomb that is in the sensor.