Normal Privacy filter:

EZYTEK 18.5 Inch Computer Privacy Screen Filter for 16:9 Widescreen Monitor, Removable 18.5 inch Anti Blue Light Glare Privacy Shield, Anti Spy Security Protector.

18.5-inch Privacy Filter- (EZ18.5W9E)
Product Specification
Product Name EZY-TEK 2 Way Privacy Filter Product Code EZ18.5W9E SCREEN SIZE 18.5 INCHES ASPECT RATIO 16:9 SIZE 410*231mm Privacy Protection Yes Viewing angle 60° (each side 30°) Anti Blue Light Yes Anti Glare Yes Anti Reflection Yes Transparency 60% Filter Attachment Double side adhesives, and plastic tabs Scratch Resistant Yes Colour Black Operating temperature （-）35℃ +）65℃ Screen Resolution (Width x Height) 1360 x 768, 1366 x 768, 1600 x 900, 1920 x 1080 OEM Service OEM Design, OEM Size, OEM Package, etc Available Size 3 to 50 inches Certificate CE, Rohs, ISO, BSCI, SGS Warranty Period 2 years warranty.