3M High Clarity Privacy Filter for Microsoft® Surface® Pro, 31.2 cm (12.3"), 3:2, Laptop, Frameless display privacy filter 3M High Clarity Privacy Filter for Microsoft® Surface® Pro. Maximum screen size: 31.2 cm (12.3"). Aspect ratio: 3:2. Suitable for: Laptop, Type: Frameless display privacy filter. Protection features: Scratch-resistant