About this item Removable Monitor Blue Light Filter 23.8 inch Removable 23.8 Inch Blue Light Screen Filter for Computer 16:9 Frameless Monitor for office, eye Protection everyday; 69.7% Blue Light ing Filter for 23.8 Inch 16:9 - FILMEXT blue light screen Protector 23.8 inch Monitor 16:9 take self-developed upgraded composite materials, 69.7% blue light ing filter s the harmful blue light between 380nm~490nm from the wave range of visible lights, blue light reaches the retina with strong energy. This filter reduces digital eye strain when viewing screens and gives you a better sleeping. Bubble Free design Blue Light Screen Screen 23.8 inch 16:9 adopt the latest black frame silicone seal design, easy to install and remove, 100% bubble-free.atest black frame silicone seal design, easy to install and remove, 100% bubble-free. Computer Blue Light screen 23.8 inch 16:9 Compatibility Computer Blue Light Screen Filter 23.8 Inch (16:9) for Frameless Monitor, FILMEXT Blue light Screen Filter is engineered to be ideally compatible with Sceptre, compatible with Acer, HP, compatible with Dell, compatible with ASUS, compatible with LG, compatible with SAMSUNG, compatible with Lenovo, ViewSonic, BenQ, compatible with Philips and other thin or Frameless monitor brands. What's in Box 23.8 inch 16:9 Anti-blue light screen protector filter×1 pcs, rofiber ×1pcs, installation kit×1set. Blue light screen protector computer laptop workable for short-sighted people, students, office workers, social media addicts, online gamers, fashion lovers, etc. [After Sale Service] Refer to the instructions for the installation. Clean the screen and ensure it is dust-free, align the product to screen, gently press over on the frame to remove the bubbles and let the silicone adhered to the frame. in case of any question or problem, please contact the seller without any hesitation to solve until satisfaction. We provide 100% no risk, worry-free after sale service for all FILMEXT Screen Protector.