3M Privacy Filters for laptops and netbooks are the perfect fit for people who want to keep their private data out of sight. They share the same patented microlouver technology used in 3M Frameless LCD and Framed LCD Filters, blocking the view of curious onlookers without diminishing yours. So you can enjoy peace of mind using your laptop or netbook in close quarters or high traffic areas. Plus, easy-on, easy-off 3M Privacy Filters are the convenient way to create a barrier between your fragile LCD screen and inevitable scuffs and scratches. One year.