Anti-Fog Anti-Fog prevents the fogging of the interior to ensure safe and hassle-free driving conditions regardless of the weather conditions. Further removes smoke residues and limestone formation. Fits in glove compartment, door panel or under seat. For use on automotive and marine interior glass and mirrors. Product also works great on bathroom mirrors and tiles. Duration of exposure - up to four weeks. Prevents the fogging of the interior Hassle-free driving conditions For marine, automotive, and household use