- The magnetic side of this product only works with steel material, does not perform with aluminum, plastic, or wood. Please have a test with a magnet before application.
- Made with strong anisotropic magnet of ultra thick 1.5mm, the magnetic air vent cover sticks to your floor/ceiling/wall vents tightly, no slipping.
- vent cover can lower your energy cost by not heating or cooling unused spaces.
- Cut to any size by scissors or cutters to fit your vent.
- Can be used for homes, RVs, HAVC units, and furnace vents. It also sticks to the ceiling vents nicely without ever falling off.