3M Privacy Filter for 23.5" Monitor

Overview

The 3M PF235W9B is a privacy filter designed for 23.5-inch widescreen monitors with a 16:9 aspect ratio. It protects sensitive on-screen information by limiting side viewing beyond 60 degrees, making the display appear dark and unreadable to anyone not sitting directly in front. This filter also reduces up to 35 percent of blue light, helping to ease eye strain during long hours of work. Its reversible design offers a choice between a glossy finish for vibrant colors and a matte finish to reduce glare and hide fingerprints, fitting well in shared offices, reception areas, and other busy environments.

Key features

• Microlouver technology directs light to the user’s eyes, ensuring privacy from side angles
• Reversible filter with glossy and matte sides to suit different lighting conditions and preferences
• Blue light reduction up to 35 percent to support eye comfort during extended screen use
• Durable surface designed to withstand frequent cleaning without losing clarity or effectiveness
• Easy installation using included adhesive strips or optional slide mounts for a removable option
• Fits neatly inside raised bezels of compatible 23.5-inch monitors for a professional look

Key specs

• Screen size compatibility: 23.5 inches diagonal
• Aspect ratio: 16:9 widescreen
• Viewing angle restriction: limits visibility beyond 60 degrees
• Blue light filtration: up to 35 percent reduction
• Filter finish: reversible glossy and matte sides
• Installation options: adhesive strips or slide mounts

Installation and setup

Setting up the privacy filter is straightforward and takes only a few minutes. You can place the filter inside the monitor’s raised bezel and secure it with the included adhesive strips for a permanent fit. Alternatively, the slide mounts offer a quick-release option if you need to remove or reposition the filter frequently. This flexibility makes it suitable for environments where screen privacy needs may change throughout the day.

Ideal uses and environments

This privacy filter is well suited to workplaces where sensitive information is displayed and privacy is essential. It works effectively in shared offices, healthcare check-in stations, financial service counters, libraries, and open-plan offices. The filter’s durability and ease of cleaning also make it a strong choice for busy environments where screens are cleaned regularly to maintain hygiene and clarity.