The 3M™ Privacy Filter for 21.5in Monitor, 16:9, PF215W9B is a brand new product designed to enhance the privacy of your computer screen. This anti-glare filter is easy to apply and remove, and is made of scratch-resistant plastic material. With a maximum resolution of 1920 x 1080, this frameless display privacy filter is transparent in colour and specifically designed to fit a 54.6 cm (21.5-inch) widescreen monitor. Ideal for maintaining the security of sensitive information while working or browsing online.
eBay