Ensure that your computer screen is seen only by you Computer screen filter makes on-screen data visible only to persons directly in front of the monitor by blocking on-screen images from a side view. No blurring or image distortion; glare is reduced by up to 95% to help prevent eyestrain. Anti-radiation feature blocks up to 99.9% of low frequency radiation emitted by the computer. Filter also protects your monitor screen from dust build-up, scratches and other damage. Use the attached grounding cord to dissipate damaging static electricity, and thereby minimize the possibility of losing valuable computer data. Filter is flat-mounted to your monitor; no hardware is needed. Lifetime manufacturer's warranty. Available 2 colors: PF400XL: PuttyPF400XLB: BlackFits 17-18" diagonal LCD monitors or 16-19" diagonal CRT monitors. Overall dimensions: 18 5/8H x 14 5/8W x 1/2"D
