Single offset glazed, 12–15 mm annealed laminate., Single offset glazed, 12–15 mm annealed acoustic laminate., Single offset glazed, 12–15 mm toughened - heat soaked., Single offset glazed, 12–15 mm LCD switchable., Single offset glazed, 12–15 mm patterned, fluted., Single offset glazed, 12–15 mm low iron.