Slip Stream 24/7 – Global Supply and Distribution Company providing 3M Industrial, Commercial & Safety Solutions
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SKU 7010343558
Legacy SKU 75030023685
UPC 00051138570958
Product Number 3MN409DG

3M™ Diamond Grade™ signs.

  • Approved supplier to the U.S. Navy
  • Retroreflective letters and numbers used for the production of safety and emergency exit signage
  • Highly visible under ambient light and in dark conditions with retroreflected light
  • Aggressive, pressure-sensitive adhesive
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On it's way to you October 26  


Minimum Order 1 Pack
Order Increment 1 Pack
  Great for Road Safety
  Very Visible
  Fast Shipping
  Industry Low Price
Product Dimensions
Imperial Metric
Width 3 in 7.62 cm
Length 7 in 17.78 cm
Shipping Dimensions
Weight 0.5 lb
Length 9.1 in
Width 4.8 in
Height 3.6 in


  1. What is the 3M™ Diamond Grade™ Ventilation Sign made of?

    The sign's backing material is made from a reflective diamond-grade technology that enhances visibility in low-light conditions.

  2. How large is the 3MN409DG "THIS…ENVIRON" sign?

    This particular ventilation sign measures 7 inches by 3 inches.

  3. Can I purchase these signs in bulk or are they sold individually?

    These signs come in convenient packages of ten, so you have plenty for your facility and extra to keep on hand just in case!

  4. Where can I use this type of ventilation signage?

    Our 3M™ Diamond Grade™ Ventilation Signs are specifically created for use indoors with HVAC systems, but certain models may be applicable outdoors under specific conditions.

Product Description: 3M™ Diamond Grade™ Ventilation Sign 3MN409DG, "THIS…ENVIRON", 7 in x 3 in, 10/Package

The 3M™ Diamond Grade™ Ventilation Sign 3MN409DG is a high-quality signage solution designed to enhance safety and visibility in various environments. With its bold and eye-catching design, this sign effectively communicates the message "THIS…ENVIRON" to ensure that individuals are aware of the specific ventilation requirements in a given area. Measuring 7 inches by 3 inches, this sign is compact yet highly visible, making it suitable for a wide range of applications.

What sets the 3M™ Diamond Grade™ Ventilation Sign apart is its use of Diamond Grade™ technology. This innovative technology ensures that the sign reflects light at a higher intensity compared to standard signs, making it highly visible even in low-light conditions. This enhanced visibility helps to improve safety by ensuring that the sign can be easily seen from a distance, reducing the risk of accidents or misunderstandings.

Each package of the 3M™ Diamond Grade™ Ventilation Sign 3MN409DG contains 10 signs, providing ample supply for multiple installations or replacements. The signs are made from durable materials that are resistant to fading, cracking, and peeling, ensuring that they maintain their high visibility and effectiveness over time. Whether used in industrial settings, construction sites, or public spaces, the 3M™ Diamond Grade™ Ventilation Sign 3MN409DG is a reliable and long-lasting solution for communicating important ventilation information.

  • High-quality signage solution for enhancing safety and visibility
  • Bold and eye-catching design with the message "THIS…ENVIRON"
  • Compact size of 7 inches by 3 inches for versatile application
  • Utilizes Diamond Grade™ technology for enhanced reflectivity and visibility
  • Package includes 10 signs made from durable materials
  • Resistant to fading, cracking, and peeling for long-lasting effectiveness
Brochures, Catalogs & Data Sheets
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