Gtechniq Glass Cleaner - 5L [MGCL 5]Glass Cleaner 5L Why use Gtechniq Marine Glass Cleaner? Gtechniq Marine Glass Cleaner is a pure formula, focused on function. All ingredients that can cause smearing have been discarded, like fragrance and cheap solvents, to produce a high performance, powerful cleaning product. Glass Cleaner has a positive charge on the glass, helping to repel dust. Features: Strong cleaning function Crystal clear finish Anti static effect Simple steps to help you