Fibrous filtering media for general industrial use in the purification of air and industrial fluids; water filtering apparatus; oil-scrubbing apparatus; cleaning devices for oil purifying fuels, diesel purifying fuels, biodiesel purifying fuels, and paraffin oil purifying fuels, all used in connection with combustion engines and power generation; cleaning apparatus for fuels, namely, diesel, biodiesel, oil, kerosene, aviation, and paraffin oil fuel purification machines