3M Privacy Filter Touch Privacy Filter for Dell OptiPlex 7440 AiO Touch or 7450 AiO Touch with Adhesive Strips, 16:93M privacy and protection products work simply and beautifully on most of today's touch-enabled devices to help protect your screens, and help keep the information displayed on them private. Thinner and more responsive to touch than ever offered before from 3M, custom-cut privacy filters give your high-resolution screen side view protection from visual hackers.