Energy saving air filter

An energy-saving air filter with a structural principle of a seesaw and a lever, low in cost and capable of greatly saving electric energy includes a frame, a support frame, a lever and two air filters. The support frame is fixedly disposed on the frame, and the lever is hinged to the support frame. Two ends of the lever are respectively provided with an air pump. Each air pump includes a first pressure bar, a first air pump tube, a second air pump tube, a first air bag and a casing, the upper end of the first pressure bar is hinged to the lever, the first pressure bar is disposed on the casing in the sliding mode, the upper end surface of the first air pump tube is fixedly disposed on the lower end surface of the first pressure bar, and the first air pump tube is disposed on the second air pump tube in the sliding mode. Two second air pump tubes are communicated. Each first air bag is provided with a first air inlet pipe and a first air outlet pipe, and the first air inlet pipe is provided with a first check