Kensington 2-way Removable Privacy Screen Filter for 20" Monitors 16:9, 50.8 cm (20"), 16:9, Monitor, Frameless display privacy filter, Anti-reflective, Privacy, 50 g Kensington 2-way Removable Privacy Screen Filter for 20" Monitors 16:9. Maximum screen size: 50.8 cm (20"). Aspect ratio: 16:9. Suitable for: Monitor, Type: Frameless display privacy filter. Glare reduction (max): 42.5%, Light transmission: 68%. Weight: 50 g