Introducing the Computer Screen Eye Protector, a must-have accessory for your 21.5-inch iOS desktop monitor. This innovative hanging frame filter is designed to enhance your viewing experience while providing essential eye protection. UV Protection: Our eye protector effectively filters out harmful blue light and UV light with wavelengths between 380 to 420nm. This advanced technology helps shield your eyes from the damaging effects of prolonged screen time, ensuring a safer and more comfortable viewing experience. Blue Light Blocking Technology: With cutting-edge blue light blocking technology, this screen protector helps keep your eyes, sleep, and skin safe from the negative impacts of overexposure to blue light. By reducing eye strain, it allows you to work, study, or enjoy entertainment for longer periods without discomfort. Easy Installation: Installing the blue light computer screen filter is a hassle-free process. Simply clean your monitor, remove the protective film from both sides of the filter, and hang it on your screen. The straightforward installation ensures that you can enjoy the benefits of eye protection in no time. Convenient and Practical Design: The 21.5-inch blue light screen protector is designed to minimize bubble formation after installation, providing a smooth and clear display. It can be easily removed and reused on other computers, making it a versatile solution for multiple devices. Durable Acrylic Material: Made from high light transmittance acrylic, this computer screen protector is compatible with 21.5-inch monitors and effectively prevents dust and scratches. Its durable construction ensures long-lasting performance while providing broad HEV protection. Upgrade your workspace with the Computer Screen Eye Protector. Experience the benefits of enhanced eye protection, reduced strain, and improved comfort, all while maintaining the clarity and quality of your display. Make the smart choice for your eye health today!