Fox Valley Air is part of a world wide organization that advertises for The Filterqueen Indoor Air Filtration System. This American made product was established in 1928, and has been helping families protect their health, home and investments ever since. The Filterqueen systems is proven to remove sources of dirt, dust, pollution, bacteria, gases, and odors from our home environment. This system also offers a large variety of health benefits, including but not limited to, reducing symptoms associated with different types of chronic breathing problems and illnesses.