Top 10 Privacy Filter 21.5 inch Monitor – Monitor Anti-Glare & Privacy Filters

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1. SightPro


SightPro 21.5 Inch Computer Privacy Screen Filter for 16:9 Widescreen Monitor, Privacy and Anti-Glare Protector

SightPro #ad - Now you can stay compliant and safeguard sensitive corporate information while working in airplanes, students, subways, mobile workers, commuters, airports and public areas. It also protects your eyes from harmful glare, and blue light. Note: it does not block visibility directly behind you, regardless of the distance.

Option 2 for computer screens with a raised bezel only uses slide mount tabs that easily stick to the display frame, allowing you to slide the privacy screen filter on and off as needed. Please verify your computer screen's width and height measurements before ordering. Option 1 uses clear adhesive strips that securely attach to any computer screen. Superior privacy and anti glare - our advanced multi-layered film filter blacks out your computer screen when viewing from the side, UV, while maintaining a crystal clear screen straight-on.

Privacy filter dimensions: width: 18 3/4" 477 mm, samsung, dell, diagonal: 21.5" 546. 1 mm - sightpro blackout privacy screen filter is engineered to be compatible with HP, LG, Lenovo, ViewSonic, Acer, Height: 10 9/16" 268 mm, ASUS, and other monitor brands. It's not recommended to make your selection based solely on your computer screen's diagonal size. Buy with confidence – located in the US, small businesses, SightPro specializes in providing best-in-class privacy solutions to individuals, government, and educational institutions.
BrandSightPro #ad
ManufacturerSightPro #ad
Height0.02 Inches
Length18.78 Inches
Width10.55 Inches
Part NumberSP-PSB215169
ModelSP-PSB215169 / PF215W9B



Anti-Scratch Protector, Anti-Glare, VINTEZ 21.5 Inch Computer Privacy Screen Filter for 16:9 Widescreen Monitor, Privacy, Provides 1.5 Times More Effective Privacy

VINTEZ #ad - Please confirm the width and height measurements for your computer screen before ordering. Dark screen for others -- clear view for you. Vintez blackout privacy screen filter is engineered to be ideally compatible with HP, Samsung, Dell, LG, Acer, Asus, Lenovo, ViewSonic, and other monitor brands.

Enhanced privacy -- vintez computer privacy screen filter is perfect for public and high traffic areas. Privacy filter dimensions -- width: 18 3/4" 18. 8 inches/476 mm, height: 10 9/16" 106 inches/268 mm - Aspect Ratio 16:9. You can relax worry-free, knowing you can rely on the help of Vintez Technologies. Doubles as screen & eye protector -- protects your eyes by filtering out 96% uv and curbing blue light by 65%. The filter is anti-glare and scratch Resistant! Easy installation -- includes two, easy-to-attach options - attachment strips and slide-mount tabs.

Package contains Extra installation kits. We guarantee all screen filters have 100% quality due to hand checking. We advise against making a selection based solely on a computer screen’s diagonal size. Lifetime replacement policy – your computer privacy screen is protected under our lifetime replacement policy and if anything happens we will send you a new privacy screen at absolutely no cost. It’s a reversible privacy screen filter, giving you the flexibility to choose glossy or matte finish – Choose the matte to reduce external glare.
BrandVINTEZ #ad
ManufacturerVINTEZ #ad
Height10.6 Inches
Length18.7 Inches
Weight0.13 Pounds
Width0.01 Inches
Part Numbervin-102-21.5

3. Amazon Basics


21.5-Inch Widescreen Monitor 16:9 18.8 by 10.6 inches, Amazon Basics Privacy Screen Filter

Amazon Basics #ad - Reduces harsh blue light for less eye strain; protects against dust and scratches; easily attaches with included bezel tabs or removable adhesive strips.

Reversible: choose the glossy side for an extra clarity or the matte side to minimize glare and distracting reflection. Creates a restricted viewing angle of only 60 degrees, so facing the screen can see, but off to the side can only see a darkened screen. Privacy screen helps keep screen information safe from prying eyes; ideal when flying, commuting, or working in a cafe or other public space. Measures 18. 8 by 106 inches; fits a 21. 5-inch widescreen monitor 16:9; backed by an Amazon Basics 1-year limited warranty.
BrandAmazon Basics #ad
ManufacturerAmazon Basics #ad
Height0.02 Inches
Length18.77 Inches
Weight0.17 Pounds
Width10.56 Inches
Part NumberPFS440GH-215W9

4. Air Mat


Reversible Anti-Glare Protector, Privacy for Data Confidentiality by AirMat, Premium, 21.5 inch Computer Privacy Screen Filter for Widescreen Computer Monitor, 16:9 Aspect Ratio

Air Mat #ad - No more prying eyes ! feel secure using proven, bus, airport, offices, patented micro-louver technology based on LG and 3M at a fraction of the price. Measure diagonally. Fits 21. 5” widescreen displays – designed to fit computer monitors, viewsonic, acer, tablets measuring 21.

5 inch diagonally. Dark for others – clear for you. Tip - lower brightness to improve view angle and privacy. Anti glare - reversible matte / shiny - choose your options - the filter can be installed either side. Blocks vision from the side. The display fades gradually as you move to the side until vision is completely blocked. The filter is lightweight, thin and frame-less in design. Easy installation – choose between 2 simple options; slide-on/off or mounted.

30 day returns - no questions Asked ! BASED IN USA. The screen is dark from the side beyond 30 deg but clear from the front. Compatible with all major brands lg, LCD Displays, samsung, Apple, asus, Lenovo, HP, dell, Toshiba. Best for public and high traffic areas; airplane, and for financial / health care providers. Filter size: 18 3/4" x 10 9/16" 475mm x 268mm - NOTES :some 21.
BrandAir Mat #ad
ManufacturerAir Mat #ad
Height0.12 Inches
Length18.78 Inches
Weight0.31 Pounds
Width10.55 Inches
Part NumberAMPF-Monitors

5. BesLif


BesLif 21.5" W Privacy Screen Protector Filter Film Anti- Blue Light Glare Computer Desktop Monitor 16:9 Ratio 18.8 by 10.6 inches

BesLif #ad - This function works for left and right sides, not for back side. 21. 5 inches widescreen, 16:9 aspect ratio, filter sizeWxH = 18. 75x1056 inch=477x268mm, "check your screen size before purchasing!".

Over 3h surface hardness anti-scratch technology protects screen from dirt, debris and scratches. Effective "black out" privacy from side views outside the 60-degree viewing angle. Simple bulk package for supplying in the most reasonable price. Reversible glossy or matte surface finish, matte side reduces extra glare and reflections. Reduces digital eye strain, blocks 100% of hazardous uV light and reduces HEV Bluelight up to 100% with excellent Color Transmittance, Hanging type screen protector to monitor - easy to use.
BrandBesLif #ad
ManufacturerBesLif #ad
Height10.6 Inches
Length18.8 Inches
Weight0.08 Pounds
Width0.02 Inches
Part Number4328377250

6. 3M


Reversible Gloss/Matte, 16:9 Aspect Ratio PF215W9B, Reduces Blue Light, 3M Privacy Filter for 21.5 Inch Widescreen Monitor, Screen Protection

3M #ad - Compatibility - 3M Standard. Fits screen sizes of 21 1/2" diagonaly measured Width 18 3/4", Height 10 9/16". Helps protect your fragile LCD screen from damage. Helps reduce reflections so you see your screen clearly with pristine image clarity.

Reversible between a glossy side and glare-reducing matte. Compatible with curved displays. Provides 1. 5 times more effective privacy than competitive models. Filter is reversible;Choose glossy or matte side. Reduces 35% of blue light transmission from the display. Micro louver technology delivers world-class effective "Black out" Privacy from side views outside the 60-degree viewing angle. Protects on screen data when viewed from the side keeping your electronic information confidential making it excellent for use in high traffic areas. Filter Type - Frameless.
Brand3M #ad
Manufacturer3M #ad
Height21.75 Inches
Length0.13 Inches
Weight0.18 Pounds
Width14.5 Inches
Part NumberPF215W9B
WarrantyLimited 1 Year Warranty

7. 3M


3M High Clarity Privacy Filter for 21.5" Widescreen Monitor HC215W9B

3M #ad - Nearly 20% more clarity than standard 3M black Privacy Filters. Provides excellent privacy while maintaining the glossy clarity of your screen. Reduces 35% of blue light transmission from the display. Effective "black out" Privacy from side views outside the 60-degree viewing angle. Compatible with curved displays.
Brand3M #ad
Manufacturerスリーエム(3M) #ad
Height21.75 Inches
Length0.2 Inches
Weight0.56 Pounds
Width14.5 Inches
Part NumberHC215W9B
WarrantyLimited 1-year warranty

8. 3M


3M Privacy Filter for 21.5 in. Full Screen Monitors, PF215W9E

3M #ad - Reversible between a glossy side and glare-reducing matte. Microlouver technology delivers world-class effective "black out" privacy from side views outside the 60-degree viewing angle. Reduces 35% of blue light transmission from the display. Helps reduce reflections so you see your screen clearly with pristine image clarity. Fits full screen monitors with flat glass displays.
Brand3M #ad
Manufacturer3M #ad
Height21.75 Inches
Length0.19 Inches
Weight0.79 Pounds
Width14.5 Inches
Part NumberPF215W9E
Warranty1 Year Manufacturer

9. EZ-Pro Screen Protector


Screen Filter size is 18.7 inch width x 10.5 inch height, Privacy Screen Filter for 21.5 Inches Screen Measured Diagonally Desktop Computer Widescreen Monitor

EZ-Pro Screen Protector #ad - Anti scratch, Anti Peeping, Easy Installation. 2 installation options -- slide screen on and off or mount permanently. Decrease surface reflection of lighting and external lighting. Actual privacy screen filter dimensions are 21. 5 inch measured diagonally. 18. 7 inch width x 105 inch high. Compare your screen dimensions against our dimension before purchasing. Blocks visibility from side angles greater than 30 degrees from center, but NOT behind you.
BrandEZ-Pro Screen Protector #ad
ManufacturerEZ-Pro Screen Protector #ad



Protects Your Eyes from Harmful Glare and Blue Light, WELINC 21.5 Inch, 16:9 Aspect Ratio, Anti-Scratch Protector Film, Anti-Glare, Computer Privacy Screen Filter for Widescreen Monitor

WELINC #ad - Welinc monitor screen protector features multiple layers of thick film with revolutionary micro-louver technology. Welinc privacy screen filter makes the screen appear dark when looking at it from an angle the angle is 30° Each - Both 60°, but bright when looking directly at it.

Contact us if you have any questions about dimensions. Blue light & anti-glare eye protection - not only will your WELINC filter protect your login and other data from prying eyes, it reduces harmful blue light. Enhanced privacy – protect your privacy with an welinc privacy screen filter. And its high hardness rating also provides a layer of physical protection to your screen. We're proud to make the best. Choose welinc with complete buyer confidence! Welinc privacy protector makes on-screen data visible only to individuals sitting in front of the monitor.

Easy installation – includes two, easy-to-attach options - attachment strips and Slide-mount tabs. Package contains Extra installation kits option 1 and 2. 100% money back guarantee - welinc is the leading computer screen privacy film producer, so we're happy to provide a no-questions-asked money back guarantee on your purchase. Perfect fit with 21. 5 inches diagonally measured - widescreen monitor - aspect ratio 16:9 - Filter Size: Width: 18 3/4 inches, Height: 10 9/16 inches 477mm x 268mm.
BrandWELINC #ad
ManufacturerWELINC #ad