2 Pack 21.5 Inch Computer Screen Protector Film, Anti Glare & Blue Light Blocker with Transparent Filter Shield for Eye Protection, Compatible with 16:9 Widescreen Monitors from Dell, HP, LG, and More — Open-Box, 45% Off

Triple-Layer Blue Light & UV Protection: Our 21.5-inch screen protector features an advanced triple-layer structure with perovskite quantum dots, nano oxides, and grafted lutein. This "Active Absorption + Precision Filtration" technology provides 85% blue light filtration and 99% UV blocking for comprehensive eye protection. Our screen protectors are specifically designed for LED monitors to deliver the best protection against sun glare while maintaining perfect picture quality. Perfect Fit for 21.5-Inch Monitors：Specifically designed for 21.5-inch desktop monitors: Width: 18 3/4" (477 mm), Height: 10 9/16" (268 mm), Diagonal: 21.5" (546.1 mm). Compatible with HP, Dell, Samsung, Lenovo, LG, Acer, ASUS, ViewSonic, , Sceptre and other major brands. Please verify your screen's exact measurements before ordering. This complete screen cover ensures full protection with precisely cut frames that fit most monitors. Dual-Side Design: Test & Choose Your Optimal Viewing Surface：Select the perfect side for your environment through simple testing. The matte side effectively eliminates glare in brightly lit spaces such as near windows or in outdoor settings with direct sun exposure, while the glossy side maintains crystal-clear image quality in normal lighting conditions. Choose based on your actual environmental needs for the best viewing experience. True Color Transparency & Easy Installation：Experience zero color shift with our pure transparent material that maintains your monitor's original color accuracy and picture clarity. The simple installation kit includes transparent adhesive strips that create a hidden, bubble-free fit along your monitor's bezel frames. Our reflective-resistant coating ensures the best visual experience for all these protectors. Customizable Solution with Full Support： Screen protector too large? Easily trim it with scissors for a perfect fit. If the size is insufficient for your display, contact us immediately for assistance. We're committed to ensuring your complete satisfaction with every purchase. These protectors offer excellent value for your investment.

Twugs Dual-Side Screen Protector - Advanced Anti-Glare & Blue Light Blocking Film for 21.5-Inch Monitors

Professional Eye Protection Solution

Twugs specializes in developing premium office screen protection products. Our dual-side screen protector represents the perfect balance of innovative technology and practical design, offering comprehensive protection for professionals who spend long hours in front of screens.

Advanced Triple-Layer Technology

Experience superior protection with our innovative three-layer structure. The perovskite quantum dots actively capture harmful blue light, while nano oxides scatter residual rays and grafted lutein provides enhanced filtration. This sophisticated system delivers 85% blue light filtration and 99% UV blocking, significantly reducing eye strain and visual fatigue.

Dual-Side Design for Flexible Use

Choose your preferred viewing experience with our unique reversible design. The matte side effectively eliminates glare in bright office environments and near windows, while the glossy side maintains crystal-clear image quality in normal lighting conditions. Test both sides to determine which works best in your specific workspace.

Precision Fit & Easy Installation

Engineered specifically for 21.5-inch monitors with exact dimensions: Width: 18 3/4" (477 mm), Height: 10 9/16" (268 mm), Diagonal: 21.5" (546.1 mm). Compatible with major brands including Dell, HP, LG, Samsung, and more. The installation kit includes transparent adhesive strips for bubble-free application that seamlessly blends with your monitor's bezel.

Complete Package Included(Per Single Set):

1x Dual-Side Screen Protector (Matte & Glossy)

1x Wet/Dry Microfiber Cleaning Cloth

1x Set of Transparent Adhesive Strips

1x Detailed User Guide

Reliable Support & Satisfaction Guarantee

Our screen protector can be easily trimmed to fit non-standard monitor sizes. Backed by Twugs' dedicated customer support team and satisfaction guarantee, we're committed to ensuring your complete peace of mind with every purchase.