GTECHNIQ G1 CLEARVISION SMART GLASSUnlike regular rain repellent coatings that adhere to the surface of the glass using relatively weak physical bonds, G1 uses a chemical bond which gives it unrivalled durability. Hydrophobic function improves wet weather visibility Also makes removing contaminants from the glass such as ice, bugs and tree sap much easier. G1 will only work on glass substrates. it will not work on modern headlight lenses which are made from polycarbonate. G1 is