3M Executive Black Framed Anti-glare Computer Filter fits 19"-21" CRT(EF200XXLB) (Personal Computers)

Given that the price of this item was so cheap compared to other similar products out there, I was a bit skeptical at the quality but decided to purchase it anyway. I am so pleasantly surprised at how well this screen works. It's not a privacy screen like some of the other more expensive ones out there, but I needed it for its anti-glare properties. I work an 8-5 desk job and spend pretty much all day in front of the computer and was getting awful migraines. Once I got this anti-glare screen, I kid you not, my migraines have pretty much all disappeared. The sizing was perfect for my monitor with the minor exception that the screen extends about an inch below my actual computer screen. It is good to know that the screen is pretty heavy and can pull down your computer screen. I like to keep my computer screen somewhat elevated and tilted back a tad, but because of the weight of the anti-glare screen, I now can't do that. Even so, it's worth it. Overall, awesome product for a...Read more

Excellent glare reducer used by someone in my office who is bothered by glare. Somewhat reduces the brightness of the screen, but if it's really the glare of an overhead light or something that bothers you, you'll be delighted with it. Definitely a great item, works well.But just a word of caution:Installation is extremely simple once you figure it out... The problem is the installation sheet, which is so awful it is laughable. Some things are translated into about 8 languages, but not the assembly / installation instructions, which are a basically unmarked set of small diagrams (so you have to figure out for yourself that they're the installation instructions!) What's more, these diagrams are so poorly done, that it never explains (a) that one set of clips should be installed for flat-screen monitors, and another set of clips for regular CRT-type monitors, (b) nor does it properly tell you or show you how to orient that second-type of clip. So, I ended up...Read more