An improved method and device for attaching a filter to the entrance of a pipe has been described. The filter attaching device includes an upper portion and a lower portion. The upper portion includes a plurality of projections for securing the filter to the device. The lower portion is connected to the upper portion and retains the filter in engagement with the entrance to the pipe. The lower portion is inserted into the pipe so that the filter is brought into contact with the entrance to the pipe. The lower portion includes means for frictionally engaging the walls of the pipe so that the device and filter are retained in a fixed position.