Under door draft stoppers dust and insects prevent gap beneath has come. Dust stoppers also need every house, you must have seen that nowadays summer has come, so when we close our room, then there is a little gap inside our door which is below, due to which the dust is leaking, then you put this door down, the size of the common door is under the door. If you put it, then your door will be locked and your insects will not even come out and the insects is such that like cockroach come in the house, in the drawing room area.