This screen provides services, but it was worth the money, it helps out, but the strength is not great, it must regularly rely on tape that hold the screens on the doors, again, one of my magnets while Downstairs is off of the canvas, I have to find a solution to try to pick, I must point out to you that the magnets are enclosed in a small box rectangular plastic. otherwise I think for a while this will be ventilated room without fear of déboulés the bloodsuckers,