Frost King 3-3/4 in. x 36 in. Brown Double Draft Stop for Doors or Windows

The Thermwell Products Frost King 3-3/4 in. x 36 in. Brown Double Draft Stop for Doors or Windows is an effective way to block drafts, dust and insects from coming under your door. It also saves energy and cuts utility costs. It installs easily by sliding it under the door, without holes to drill or screws to twist. This draft stop may be used on doors or windows.