The Frost King Double Draft Stop actually insulates the inside and outside of a door or window at the same time. It blocks out drafts and dust; reduces energy loss. So it saves energy and saves money. Installation is quick and easy. Just slide it under the door or close the window on it.
- Item Features
- Can be used on doors or windows
- Insulates the inside and outside of the door or window
- Blocks out drafts and dust to reduce energy loss