MSLP – Minimum Security Lattice Faceplate

MSLP – Minimum Security Lattice Faceplate
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MSLP – Minimum Security Lattice Faceplate


Lattice and perforated security grilles reduce the risk of damage and disassembly associated with traditional grilles in secure areas. With minimum and maximum security options as well as a variety of mounting types, these grilles are suitable for supply and return applications.

The MSLP can replace conventional grilles for supply and return applications, or be installed over existing grilles in applications where a directional air pattern is required. The MSLP is available in steel, aluminum, or stainless steel, and is supplied with tamperproof screws, which are ideal for mounting in minimum security areas, such as hallways.

Typical Applications
Security grilles reduce unwanted access to ductwork in spaces where supervision is minimal and vandalism or misuse is a risk. Such areas include: correctional facilities, psychiatric hospitals, rest stops, park facilities, schools, and sports venues.Construction Options
  • Material
    • Steel
    • Aluminum
    • 304 stainless steel
  • Size
    • Min.: 8 in. x 8 in.
    • Max.: 32 in. x 32 in
  • Options
    • Wire mesh (WM)
    • 4-sided mounting frame
    • Barrier bars
    • Damper
    • Transfer grille