Kensington MacBook Air 13 Privacy Filter

2-way detachable privacy filter for MacBook Air 13 Dual filter limits viewing angle to ±30° Detachable filter is easily applied and removed as needed Blue light reduction: Filters out harmful rays by up to 42 %, easing eye strain and aiding natural sleep patterns Anti-fingerprint coating: keeps your screen clean and free of greasy marks Anti-glare: Reduces glare from any outside light sources