3M™ Privacy Filter for 21.5" Apple®; iMac®;

3M custom-cut privacy and protection products work simply and beautifully on most of today's monitors to help protect your screens, and help keep the information displayed on them private. Ingenious microlouver technology delivers world-class effective privacy. You get crisp image clarity on your monitor and side view protection from visual hackers.

Price: £ 95.28 from Zuma Office Supply US