Removable 2-way privacy filter for 86.4 cm (34") 21:9 monitors Narrows the field of vision on the screen to +/- 30 degrees Removable filter is easily applied and removed as needed Blue light reduction: filters out the harmful rays by up to 42 %, easing eye strain and aiding natural sleep patterns Touch screen compatible with anti-fingerprint coating Anti-glare coating: Reduces glare from any outside light sources