Reduce glare and harmful blue light and improve clarity with Kensingtons Anti-Glare and Blue Light Reduction Filter for 23.8 Monitors. This filter reduces harmful blue light by up to 43% and features an antimicrobial coating (matte side only) that inhibits bacteria growth by up to 99% (tested to JIS Z 2801 : 2010E for Escherichia coli and Staphylococcus aureus). An innovative anti-glare coating (matte side only) reduces reflection and improves clarity. Seamless attachment makes installation and removal easy and mess-free.N/AN/AInnovative anti-glare coating reduces reflection and improves clarity (matte side only). This filter eliminates harmful blue light by up to 43% easing eye strain and reducing the chances of interrupting sleep patterns.N/AAntimicrobial coating (matte side only) inhibits bacteria growth by up to 99% (tested to JIS Z 2801 : 2010E for Escherichia coli and Staphylococcus aureus).N/ASeamless attachment makes installation and removal easy and mess-free.N/ATouch and pen enabled so you can use your device just as you would without a filter.N/AIncluded cleaning cloth helps keep your screen dust lint and smudge-free.N/ATwo-year warranty means you can rest assured knowing youre covered by Kensington.