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    3M Privacy Screen Filter Black For 21.5" Widescreen LCD Monitor - 16:9 - Scratch Resistant, Fingerprint Resistant - Anti-glare

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    Warranty & Returns

    Warranty, Returns, And Additional Information

    Warranty

    • Limited Warranty period (parts): 1 year
    • Limited Warranty period (labor): 1 year
    • Read full details

    Return Policies

      We want to ensure your holiday shopping this year is hassle-free. That’s why we’re automatically extending our return policies on almost every product! For purchases placed between November 1st, 2026 and December 31, 2026 you will have until January 31, 2027 to return your product.

    • Return for refund until: January 31, 2027
    • Return for replacement until: January 31, 2027
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    The 3M Privacy Screen Filter is a black, anti-glare screen accessory for 21.5-inch, 16:9 widescreen LCD monitors, suited to users who want added screen privacy and a scratch- and fingerprint-resistant surface.

    Recommended For

    • Office staff who handle customer, employee, or financial information at a fixed 21.5-inch monitor where people may pass or sit beside the desk; the filter is designed to darken side views outside its 60-degree viewing zone.
    • Reception, clinic, or service-counter workers whose monitor faces a public area and who want to make on-screen details harder to read from the side while continuing to work from directly in front.
    • Employees in shared or open-plan offices who mainly work facing their monitor and want an added barrier against casual shoulder-surfing, rather than a screen that is easy for nearby coworkers to view.
    • People who want one monitor accessory to add side-view privacy and choose between a glossy surface and a matte surface to reduce glare, depending on their desk lighting.

    Real-World Use Scenarios

    • In an open-plan office, an employee reviewing email, spreadsheets, or internal documents can use the filter to make the display harder to read from the side, reducing casual viewing by nearby coworkers.
    • At a busy reception desk or service counter, staff handling customer information can keep working while people pass nearby; the filter helps limit side views of what is on the monitor.
    • At a healthcare workstation, a staff member viewing patient-related information can reduce the chance that people walking through the area casually see the screen from an angle; the filter is an added visual safeguard, not a substitute for other privacy practices.
    • In a shared office or desk area where colleagues may approach from the side, the user can work with sensitive on-screen material while the filter makes off-angle viewing more difficult; someone directly in front of the monitor can still see the display.
    • At a workstation with reflections or fingerprints on the screen, the user can turn the reversible filter to its matte side; 3M says that side helps reduce glare and fingerprints during everyday use.

    Spec Summary

    AttributeValue
    Best ForAdding privacy and reducing glare on a compatible 21.5-inch monitor
    Privacy And Screen ProtectionPrivacy filter with blue-light blocking, anti-glare, and scratch-resistant features
    Screen Compatibility And FitFor monitors; sized 10.71 × 19.09 inches for a 21.5-inch screen
    Finish And ColorMatte finish in black
    Package ContentsOne privacy screen filter
    Model Identifiers3M Privacy Screen Filter, model PF215W9EM
    Weight83 grams

    Reference Q&A

    Q: Should I get this 3M filter or the 3M High Clarity version for a 21.5-inch monitor?

    A: Choose this standard black 3M filter if you want a matte option that helps reduce glare and fingerprints, along with side-view privacy. Choose the 21.5-inch 3M High Clarity version if preserving image clarity is the priority: 3M says it provides an average of 30% more clarity than its standard black filters, but it has a glossy finish on both sides rather than a reversible matte-and-glossy choice.

    Q: How does this 3M filter compare with the Kensington MagPro 21.5-inch filter?

    A: Both are privacy filters for 21.5-inch, 16:9 monitors and offer reversible matte and glossy viewing. Choose this 3M model if its fit and glare-reducing matte option meet your needs. Choose the Kensington MagPro if quick magnetic attachment and removal are important; Kensington specifies that feature for its MagPro model. Check the attachment method and monitor bezel before buying.

    Q: Should I buy this privacy filter or a standard anti-glare screen filter?

    A: Choose this 3M filter when you want both side-view privacy and glare reduction: 3M describes it as blacking out side views outside its 60-degree viewing angle, and its reversible matte side helps reduce glare and fingerprints. Choose a standard anti-glare filter if reducing reflections is your main goal and you do not need the privacy function.

    Q: Will a larger 23.8-inch privacy filter work better than this one on a 21.5-inch monitor?

    A: Usually, choose the filter made for your monitor’s actual screen size and aspect ratio rather than a larger diagonal. This model is specified for 21.5-inch, 16:9 monitors. Before ordering, check the monitor’s viewable screen dimensions and bezel style against 3M’s measuring guidance; diagonal size alone does not confirm fit.

    Q: Will this fit my 21.5-inch monitor?

    A: It is designed for a 21.5-inch widescreen monitor with a 16:9 aspect ratio. Check your monitor’s active display size and aspect ratio before buying; the diagonal measurement alone may not confirm a fit.

    Q: Does this filter keep people beside me from seeing my screen?

    A: Yes. 3M specifies side-view privacy outside a 60-degree viewing angle, making the filter suitable for shared work areas where people may look at the screen from the side.

    Q: Does it reduce glare and fingerprints?

    A: The product is listed as anti-glare, scratch resistant, and fingerprint resistant. 3M describes its privacy filter as reversible, with a matte side that helps reduce glare and fingerprints.

    Q: Who is this monitor privacy filter suitable for?

    A: It is suited to people using a compatible 21.5-inch, 16:9 monitor who want to limit side views of on-screen information, such as in an office or shared workspace. Its listed anti-glare and fingerprint-resistant features may also be useful for everyday screen use.

    Q: Will this filter make my monitor harder to see from the side?

    A: A 3M privacy filter is intended to limit side-angle viewing while leaving the screen visible to someone facing it. Community discussions describe this as useful when nearby people can see a work monitor; the provided product data does not specify an exact viewing-angle cutoff.

    Q: Will it reduce my monitor’s brightness?

    A: It may. Reddit users discussing 3M privacy filters report noticeable dimming, so the trade-off to consider is side-view privacy versus brightness. The provided product information does not quantify brightness loss for this specific filter.

    Q: Is it a good choice if I want less glare as well as privacy?

    A: The product description identifies this filter as anti-glare. Reddit discussion of a 3M matte privacy filter also describes reduced screen gloss, alongside a noticeable brightness trade-off. The discussion concerns a different device, so it does not establish the exact effect on this 21.5-inch monitor.