3M™ Privacy Filter for 27" Apple®; iMac®;Protect sensitive information in public or shared spaces without compromising the viewing experience you expect from your 27 inch Apple iMac. The 3M Privacy Filter for 27" Apple iMac uses state of the art privacy technology to block side angle viewing while preserving a clear, bright image when you look at the screen head on. Its purpose built for full screen monitors with flat glass displays, delivering a seamless integration that preserves the iMacs