Selden T301 Decosol De-Icer has a fast acting formula, which quickly melts the ice on your car's glass while preventing re-freezing. Selden T301 Decosol De-Icer is a high performance windscreen and window de-icer which instantly dissolves ice from glass surfaces, leaving a streak-free finish when cleaned with windscreen wipers or rubber squeegee blade. Works below temperatures of 10°C.