Gtechniq W5 Citrus All Purpose Cleaner Auto & Marine Coating Products: Wash & Shampoo: Gtechniq Gtechniq Perfect Glass Care Kit Gtechniq W5 Citrus All Purpose Cleaner 500ml Gtechniq Singapore. Glass Cleaner 500ml 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 get the best results: Shake well before use Use out of direct sunlight Spray directly onto an MF1 ZeroR Microfibre Buff Cloth and wipe the glass Remove any residue with another MF1 Store in a cool, dry place Use within 12 months of opening