| abstract |
A water filtering device equipped with a water level adjustment unit is provided. The water filtering device includes an external air inlet through which dust-containing air flows in, a dust separator communicating with the external air inlet and separating dust in the inflow air, exhaust outlets communicating with the dust separator and discharging the air from which the dust has been separated, a dust container communicating with the dust separator and being filled with water, and a water level adjustment unit installed in the dust container to adjust the level of the water in the dust container. The water level adjustment unit includes a supercharged water drainage tube installed on a bottom of the dust container, and a manual opening/closing device for adjusting the level of the water through the supercharged water drainage tube. |