How do I know that the electrostatic air filter is working correctly once installed?
The air filter will work as long as it is clean and air is passing through it. If you would like to see what your filter is catching, wash your filter in a sink or tub which allows the water to be held. By placing this water in a glass, you will be able to see that particles which had been trapped by the filter. Some particles are very light in color and will not be visible on the face of the filter but will be seen in the water used in cleaning.
