3M™ Privacy Filter for 27in Monitor, 16:10, PF270W1BExperience world class privacy and uncompromised clarity with the 3M Privacy Filter PF270W1B, engineered to fit 27 inch monitors in the 16: 10 aspect ratio. Trusted by professionals across open offices, home workspaces, and public environments, this filter uses 3Ms patented microlouver technology to dramatically limit side angle viewing. The result is a sharp, bright display when viewed head on, while prying eyes are prevented from easily seeing